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The Stash List Week 14: Top 10 Pitching Prospects to Stash in 2025

Top 10 pitching prospects to stash in redraft league

John Villavicencio
Dynasty 6/28/2025

The Pitcher Edition of the Stash List highlights the 10 best pitching prospects likely to make an impact during the 2025 season.

Prospects are often thought of as only holding value in dynasty formats. However, knowing which prospects hold value for the current season can help set you apart in redraft leagues. Several have a 2025 ETA, and getting ahead of the curve on rostering these prospects is a key part of roster management. Last year, we saw more pitching prospects make their debut than ever before, and there is no reason we should expect to see anything change in 2025. Keep reading to find out the top ten pitchers you should stash in your redraft leagues.

 

Ground Rules

  • The Stash List is for your redraft leagues and does not consider impact beyond 2025.
  • Only current minor league players who are expected to make an impact this season are included.
  • Upside, proximity, health, and opportunity are all weighed for each player.
  • The focus is on 12-team leagues with standard categories.
  • Rankings and roster percentages will be updated weekly.
  • Stats will be updated weekly for all players through Thursday’s games.

 

The Stash List

Graduates/Call-Ups

The following prospects got the call to the major leagues within the last week:

Thirty-four-year-old Dietrich Enns was able to mystify Athletics hitters with seven whiffs on the fastball and five whiffs on the changeup. He releases his two top pitches at similar points, with the 93 mph four-seamer rising 17.6 inches as compared to 10.6 inches of horizontal movement on the changeup. He appears stable in the rotation until Reese Olson is ready to go.

Michael McGreevy is being yo-yoed between Memphis and St. Louis. He was sent back down to Triple-A, where he has been performing admirably with a 2.51 ERA, 1.20 WHIP, 64 strikeouts, and 12 walks.

Despite strong Triple-A numbers, Allan Winans didn’t have a successful Yankees debut (4 earned runs, one strikeout over 4.1 innings) and may not stick around with a sub-90 mph fastball.

Blade Tidwell is being yo-yoed up and down as the Mets try to find arms to patch up the holes in their starting rotation. Tidwell was on our radar earlier in the year, but has yet to establish consistent control.

Emmet Sheehan needs only to be mentioned in the event that you didn’t know that he is doing really well at Triple-A Oklahoma City. Over four starts and 15.1 innings, he has 29 strikeouts to one walk, along with a 2.93 ERA and 0.72 WHIP.

 

Top 10 Pitching Prospects to Stash

 

1. Andrew Painter, RHP, Philadelphia Phillies

2025 A, AAA Stat line: 47.1 IP | 4.18 ERA | 25.9 K% | 9.0 BB%

2024 MiLB Stat line: 15.2 IP | 2.30 ERA | 30.5 K% | 6.7 BB%

 

It’s all business when it comes to Andrew Painter as he gradually builds up to a summer debut. The Phillies don’t have much reason to push Painter at this early stage of the season, and it so happens that Painter isn’t forcing the issue with his performance. In June, Painter’s performance has stagnated over 19 innings with a 5.68 ERA and 1.58 WHIP. He has recorded a 24% strikeout rate, a 12.5% walk rate, and allowed an unsightly five home runs against 84 batters faced. The 68% strike rate through four starts is solid, but he is giving up a .905 OPS on an increased 57% fly ball rate. As his pitch count has stretched to almost 90 pitches, his stuff has worsened.

June

 

When reviewing his June Statcast data, the first observation is that he is not releasing the ball with as much extension as in previous months. The seemingly negligible drop from 6.3 to 6.2 feet represents a minimum of a 1.2-inch difference for Painter as he works up to a Major League starter workload. He has only managed to face the core of the opposing lineup a third time once this season. With poor stuff and a limited workload remaining, it is a wonder why we keep recommending that you stash Painter on your fantasy teams. On the positive side, he does have three pitches with a 30% whiff rate and a 97 mph average fastball velocity. He obviously cannot throw his best pitch, the curveball, every time, but he can certainly expand upon its currrent 20% usage. With a 55% strikeout rate on the pitch, Painter should blend it into the pitch mix more often.

The casual delivery was on full display in his June 21st start against Rochester. He didn’t gain much extension on his throws as he built up to a new season high of 89 pitches. The 59% strike rate meant Painter was in danger with baserunners all game. He ended his appearance with a strikeout on a curveball at the bottom of the zone with the bases loaded. Nevertheless, he contained the damage to two earned runs over five innings with five strikeouts against four walks.

Given the current roster construction, the Phillies have some wiggle room to keep Painter with the Triple-A Lehigh Valley squad a little while longer. With Aaron Nola now on the 60-day injured list past the mid-July All-Star break, that space contains a struggling Mick Abel and an alternative in the bullpen, Tajuan Walker. This is the time for Painter to dial in the stuff and pitch mix.

 

2.  Joe Boyle, RHP, Tampa Bay Rays

2025 AAA Stat line: 68.0 IP | 1.85 ERA | 32.5 K% | 10.3 BB%

2025 MLB Stat line: 5.0 IP | 0.00 ERA | 38.9 K% | 11.1 BB%

 

It’s time for the Rays to see how their pitching development prowess has worked on improving the starter potential of Joe Boyle. The Athletics sent Boyle to the Rays in the offseason in exchange for two lefties, Jeffrey Springs and Jacob Lopez. Springs and Lopez are both proving their value at the Major League level with solid performances in June. In 20.1 innings, Lopez has a 37% strikeout rate and 8% walk rate, along with a 2.66 ERA and 1.13 WHIP. Over 26 June innings, Springs has a 22.8% strikeout rate and 3.0 % walk rate, along with a 3.12 ERA and 0.88 WHIP. Even with a mediocre 2-2 record between their 9 games this month, Spring and Lopez are contributing mightily for their new club. Meanwhile, Boyle continues to perform well on his own accord in Triple-A Durham. The fastball is his most thrown pitch and has improved in performance as compared to his season rates. Furthermore, his secondaries are performing even better, especially the splitter with its ridiculous strikeout and walk rates.

June

 

Through 21 innings in June, Boyle has tightened up his control further with a 6.1% walk rate and 42% strikeout rate, along with a 1.71 ERA and 0.86 WHIP. With a 10% walk rate on the season, Boyle has become a better version of himself with the Rays, someone who must be catching the notice of the front office staff. And it’s not like Boyle was failing in the first two months of the season. In fact, he has been extremely consistent with a superb ERA and WHIP. About the only test he hasn’t passed is going through the opposing lineup a third time. And in terms of innings limits, Boyle will likely be able to reach 130-140 total innings without much concern. This would give him about 14-16 more starts this season. Wouldn’t the Rays rather test his abilities with their big league club as they push for the playoffs?

In his June 19th game, Boyle flashed both the good and bad that could appear in any future Major League call-up. He served up two home runs, both to Joey Wiemer, while also recording eight strikeouts on 18 whiffs. His only walk allowed didn’t come in to score, so that was a victory in itself. The home runs (15.8% HR/FB) can be a concern if he is unable to keep the ball on the ground (51% groundball rate), given the hot weather in Tampa’s home ballpark. This could be a slight anomaly given that one of the home runs came on a hanging slider.

Boyle is the next impact arm that is defying historically poor command to post huge strikeout numbers a la Jacob Misiorowski. Although Boyle’s fastball doesn’t have anywhere near the same movement profile, he does mirror release points for all three of his pitches, providing more things for hitters to consider in a shorter period.

 

3. Bubba Chandler, RHP, Pittsburgh Pirates

2025 AAA Stat line: 58.0 IP | 3.41 ERA | 30.0 K% | 11.7 BB%

2024 MiLB Stat line: 119.2 IP | 3.08 ERA | 30.9 K% | 8.6 BB%

 

Aha! I found the reason for Bubba Chandler’s struggles in June. He is releasing his fastball one hundredth of a foot lower than his season marks. Oh, that’s it? A measly eight of an inch difference in something with expected deviations throughout the season. We can scrub a dramatically different release point from the possible indicators for the poor stretch of four performances from Chandler in June. Over a lowly 9.1 innings, he has a 10.61 ERA and 2.36 WHIP, along with a 10% strikeout rate and 16% walk rate. Being underwater with the K%-BB% and throwing 57% of pitches for strikes is a poor combination for going deep into games. This is a drastic downfall after a mediocre May, where he had a 34% strikeout rate, a 12.5% walk rate, and a 61% strike rate.

June

 

The results from Chandler’s entire pitch arsenal show that he is having control issues and getting punished when he does land them in the zone. The main culprit is a reduced amount of horizontal and vertical break on all of his pitches. Given that his release point, spin, velocity, and extension are similar enough to what he had been doing early in the season, it is hard to discern exactly what could be causing a few inches less of break.

Digging slightly deeper into Statcast data shows that his horizontal release point has moved over about two-tenths from his season marks. He may have shifted his starting position on the rubber since any change in arm angle would show up in some of the other numbers. Whatever the reason, his June mechanics are not working as demonstrated by the .892 OPS against him over 50 batters faced. You are still stashing Chandler because all the signs point to potentially elite stuff on a team that has starting pitcher needs.

 

4. Logan Henderson, RHP, Milwaukee Brewers

2025 AAA Stat line: 53.2 IP | 2.52 ERA | 30.4 K% | 8.9 BB%

2025 MLB Stat line: 21.0 IP | 1.71 ERA | 35.8 K% | 7.4 BB%

 

At first glance, the Milwaukee Brewers appear flush with starting pitchers, including the sustained success of prospect Jacob Misiorowski. There is a fragility in that strength with Brandon Woodruff, yet to make a rehab appearance after not pitching for the entire 2024 season, as well as light skepticism about how long Chad Patrick and Quinn Priester can hold up. Thus, it must be a comforting feeling for the organization to have such a high-quality arm as Logan Henderson, who has already performed well in the Major Leagues. Thus, the likely excuse holding them back is managing his workload as Henderson approaches his 2024 total of 81.1 innings.

In June, Henderson has continued to limit runs scored as the number of baserunners increases. Through five starts, he has a 2.66 ERA over 23.2 innings with a 25% strikeout rate, 8% walk rate, 68% strike rate, and a 1.31 WHIP. The drastic jump in WHIP raises eyebrows after posting a 0.72 WHIP in April and 0.96 in May. A big contributor to his woes has been the jump in fly ball rate to 62% after hovering around 34% for the season. On June 24, he allowed six hard-hit balls, two of which left the park for home runs. This damage was on top of his three walks allowed and the minimal whiffs and strikeouts in the game. He managed to survive for 5.2 innings after giving up only two earned runs.

June

 

Throughout June, he has maintained the same fastball and changeup usage around 50% and 25% that has given him so much success. These pitches have great movement patterns as the fastball releases at a low point to rise a solid vertical break of around 17 inches, yet with 11.5 inches of horizontal break. The changeup commands attention with its 18.7 inches of arm-side break. Yet, there are signals that hitters are catching on to the usage pattern with slightly higher batting averages and WOBA against his two most thrown pitches. Further adding to his increased June woes, the cutter is still being battered when it doesn’t miss bats. The slider has been his best whiff pitch in the month and may be worthy of increased use going forward.

Even with the picture getting less clear for Henderson, you are stashing him because of his sustained Major League success, his solid fastball and changeup combination, and the high likelihood that the Brewers will need another quality arm for their playoff push.

 

5. Cam Schlittler, RHP, New York Yankees

2025 AA, AAA Stat line: 74.1 IP | 2.18 ERA | 33.0 K% | 8.5 BB% 

2024 MiLB Stat line: 120.2 IP | 3.36 ERA | 31.0 K% | 8.6 BB%

 

Baseball is such a demanding sport that it is always exciting for fantasy managers and fans when they watch a prospect step up to new challenges. Cam Schlittler was promoted to Triple-A Scranton in early June after recording a 2.38 ERA, 1.21 WHIP, a 30.2% strikeout rate, and an 8.0% walk rate over 53 innings in Double-A. Thus far for the RailRiders, Schlittler has struck out no fewer than seven batters in any game. That streak includes a stunning ten-strikeout outing against Worcester that featured 20 whiffs and only one hard-hit ball against him. He managed 12 whiffs on the four-seamer that touched 99 mph and sat 97 mph. Schlittler has utilized a four-pitch arsenal to succeed at his new level.

The 6’6″ righty exploits his long levers with a tall and fall delivery that generates marginal extension of 6.4 feet on most of his pitches. He primarily throws a four-seamer and slider combo that is backed up by a curve and sweeper. Although his pitches offer average movement, he has been fooling hitters enough of the time, with three of the pitches having a whiff rate above 38%. He has often located the 96 mph fastball up in the zone. The curveball is his best whiff pitch so far, but also gets hit hard when he doesn’t hit his spot. The fastball, sweeper, and slider trio is propelling him to success with their distinct movement profiles coming in at three velocity ranges. The only thing missing from his arsenal is a pitch with meaningful arm-side run to shake off same-handed batters, but that is something that can come later.

June

 

With the New York Yankees suddenly botching their large division lead, there is a greater likelihood of Schlittler’s promotion coming earlier in the summer than anticipated. Allan Winans rightfully got the first chance to prove that his Minor League success was no fluke. Unfortunately, he didn’t demonstrate well enough (4 ER, 1 HR in 4.1 IP) that a sub-90 mph fastball mix will work. Luis Gil was nearing a return from his lat strain until an injury setback made an August return more likely. And Marcus Stroman is not showing well in his rehab starts (4.31 ERA, 1.74 WHIP, 20 K%, 11 BB%, 10.1 innings). These poor performances leave a wide opening for an emerging arm to grab a spot in a rotation of a team with deep playoff expectations.

 

6. Noah Schultz, LHP, Chicago White Sox

2025 AA, AAA Stat line: 62.0 IP | 3.92 ERA | 23.1 K% | 13.6 BB% 

2024 MiLB Stat line: 8.1 IP | 2.16 ERA | 41.9 K% | 16.1 BB%

 

Noah Schultz is now one level closer to making his Major League debut after being promoted to Triple-A Charlotte in mid-June. However, any promotion would be quite aggressive for the 21-year-old lefty, who got roughed up in his first start after the promotion. He showcased the good and bad to battle into the sixth inning, giving up six earned runs on eight hits, one home run, one walk, and five strikeouts. The 16 whiffs in the game came mostly on the sinker and slider (I believe that Statcast misclassified his slider as a curveball), which offers an intriguing glimpse at his potential for more whiffs in the future. The sinker and slider are naturally crossing home plate in the same plane, but with a 13-mph difference and wider movement. This duo is a preferred attack plan for him and will improve as he incorporates the four-seamer and changeup to greater effect. Let’s see how he mixes up his arsenal in his next start on June 27 against Toledo.

Over the first three months, Schultz’s performance has been slowly eroding. He put in a serviceable May where he had a 4.03 ERA, 23% strikeout rate, 15% walk rate, and a .781 OPS. In June 13% walk rate, 23.5% strikeout rate, and 4.50 was significantly dragged down by the start against Gwinnett. For the season, he does have a splits issue against righties (.910 OPS) as compared to left-handed hitters (.483 OPS). The home run he allowed to right-handed hitting Sandy Leon was on a hanging slider in the middle of the zone. His slider was averaging just over 10 inches of break on 2700 rpm of spin at 82 mph. His sinker was coming in at 95 mph with 17 inches of arm-side break. The high whiff rates for each of his pitches demonstrate the upside for strikeouts, so he has to find the right mix to keep hitters off balance. It would be nice to see him incorporate a more extension to help play up his velocity and movement.

June

 

The Chicago White Sox are in full rebuild mode and should be ready to test everything they have without breaking anything. Grant Taylor received the big league call, and it should be clear that Schultz deserves a similar trial. Although there are no hard caps on innings, he could probably reach a minimum of 120 after completing 88.1 innings in 2024. You are stashing Schultz because you believe he can harness his stuff to produce enough strikeouts in an organization that greatly needs his talent at the Major League level.

 

7. Cade Cavalli, RHP, Washington Nationals

2025 A, AA, AAA Stat line: 47.0 IP | 3.26 ERA | 24.7 K% | 10.8 BB% 

2024 MiLB Stat line: 8.1 IP | 2.16 ERA | 41.9 K% | 16.1 BB%

 

In a game where he threw the most pitches since 2022, Cade Cavalli built the case that he has the talent to supplant Trevor Williams in the Nationals’ rotation. On June 20 against Lehigh Valley, Cavalli let up two earned runs on three walks and five hits, including one home run, over six innings. He posted a 68% strike rate, up from his June average of 59% going into the game. With each start, the expectation is that confidence grows in his arm strength and more of the repertoire and velocity return to pre-injury levels. Yet from May to June, the walks are up (8% – 14%) and the strikeouts have eluded him (34% – 18%), even with a limiting of strong OPS production against him (.689 – .636). Nevertheless, Cavalli is getting more ground balls than ever, something that will help him go six innings to earn the quality start like he did against the IronPigs.

Cavalli has the prospect pedigree to warrant your attention, but has yet to put it together in the Major Leagues. In his one opportunity back in 2022, he gave up seven earned runs and suffered a few injuries that derailed any momentum going into 2023. On the comeback trail again in 2025, Cavalli has incorporated a sinker into his four-pitch arsenal (Note: His slider is at a 7 pitch total and may be misclassified until it builds a larger sample size). The sinker gives him a third pitch with arm-side break, helping him cover all parts of the zone and tamp down on same-handed hitters. Right-handed hitters are performing better against him (.750 OPS over .512 OPS vs. LHB), so this is all a work in progress.

June

 

You are stashing Cavalli because you believe in his prospect pedigree, see potential for greater strikeout numbers when the velocity returns, and see him as a significant upgrade over the Nationals’ current fourth or fifth starter.

 

8. Jonah Tong, RHP, New York Mets

2025 AA Stat line: 67.1 IP | 2.27 ERA | 41.0 K% | 11.5 BB% 

2024 MiLB Stat line: 113.0 IP | 3.03 ERA | 34.2 K% | 10.0 BB%

 

Young Timmy Lincecum is flourishing in Double-A as the number one performing starting pitcher in all of Minor League baseball. Jonah Tong is the top strikeout pitcher among all levels heading into the weekend with 107 strikeouts over 67.1 innings. Each month, Tong has ratcheted up the command in June to a 7% down from 13% in May, while consistently delivering a 40% strikeout rate. Furthermore, he has posted a remarkable 0.61 WHIP this month and has only allowed two extra base hits over 23 innings..

There are no publicly available pitching metrics, but you can easily observe that Tong is a great athlete with a unique delivery. He generates extra torque by pivoting his torso back past perpendicular to home plate. For a bit more twist, he also sends his knee lift backwards, before driving forward for maximum extension from his 6’1″ frame. Hitters also have to read his pitches from an over-the-top delivery. This gives most of his pitches north-south movement, which likely means hitters have to increase their swing angle as well.. With his 11-strikeout performance, a promotion to. You are stashing Tong because someone else in your league is definitely buying into the hype and will pick him up today.

 

9. Quinn Mathews, LHP, St. Louis Cardinals

2025 A, AA, AAA Stat line: 32.1 IP | 4.45 ERA | 24.7 K% | 20.5 BB%

2024 MiLB Stat line: 143.1 IP | 2.76 ERA | 35.4 K% | 8.6 BB%

 

With a few prospect stashes, we can take the short-term perspective to focus on smaller samples of great performances over a few weeks. On the other hand, there are other prospects with pedigree that we zoom out to focus on the potential of their entire pro career. Quinn Mathews falls into the patience group as he continues to build back to form after early-season shoulder soreness landed him on the injured list for a month. He is sucking right now or more politely, he is not performing up to expectations. Mathews was the 2024 MiLB Pitcher of the Year with 202 strikeouts over 143.1 innings with a 2.76 ERA and 0.98 WHIP. With the aging arms in St. Louis, it wasn’t wild to think that he could have broken camp with the Major League squad. Yet, here Mathews finds himself a few months later putting up the worst numbers of his young career.

In four June starts for Triple-A Louisville, Mathews has a 29.5% strikeout rate, 19.6% walk rate, 4.40 ERA, and 54% strike rate over 14.1 innings. In his most recent start on June 24, he allowed six walks for the third time this season after throwing 42% strikes over his 55 pitches. A sub 60% strike rate is poor, so a sub-50% strike rate is absolutely abysmal and raises major injury concerns given the complete 180-degree turn in control compared to 2024.

June

 

Digging deeper into the June Statcast data, his fastball is letting him down in huge ways. His fastball velocity is down a half tick, causing it to be hit more often or spit on, as hitters have earned a walk 32% of the time on the pitch. These are horrid outcomes for a pitch he throws over 40% of the time. His four-seamer had more vertical and horizontal movement in 2024, causing it to cross home plate much higher in the zone more frequently.

Even with all of the negativity above, his next three pitches each have a whiff rate above 50%. They all have slightly more spin and extension than in 2024. The slider is an example of the good and the bad with his arsenal. The sharp biting, breaking pitch has small movement that gets whiffed at 51% of the time with minimal solid contact (.194 xWOBA). He also has a 15.8% walk rate on the pitch, thus illustrating that even when things could go right, there is something off about his mechanics. Nevertheless, you are stashing Mathews because the Cardinals are actually competing for a playoff spot, his secondaries are showing promise, and until an injury is officially announced, he has a tremendous track record of success.

 

 

10. Troy Melton, RHP, Detroit Tigers

2025 AA, AAA Stat line: 55.0 IP | 3.93 ERA | 30.0 K% | 6.8 BB% 

2024 MiLB Stat line: 100.2 IP | 5.10 ERA | 27.7 K% | 7.0 BB%

 

Welcome to the stash list, Troy Melton! He caught my eye when he popped 99 mph on the radar gun in his June 24 start against Charlotte. Melton is a 6’4″ righty drafted in 2022 who was recently promoted from Double-A to Triple-A. Given the new challenge, he has responded well by upping his strikeout rate (27% to 34%) while maintaining a steady 6.7% walk rate. Melton is playing with fire as his fly ball rate has jumped up with Toledo, including four home runs over his four Triple-A starts. The 5.63 ERA and 1.40 WHIP are unsustainable, but the expectation is that these ratios will level out as he builds up his innings.

In addition to the great velocity, Melton is showing elite extension. That extra distance helps play up the fastball velocity and its mediocre induced vertical break. The star pitch is his slider with 7 inches of break and 2400 rpm of spin, getting whiffs 50% of the time. Yet, he does rely on the fastball to do the heavy lifting for the arsenal. The four-seamer earned nine whiffs in this game and has a 30% whiff rate in June.

June

 

You are stashing Melton because you see a pathway to a rotation spot once Sawyer Gipson-Long hits his innings limit, you believe in the Tigers’ pitching development, and you see the potential that can come from a pitcher with elite extension.

 

On The Bubble

Here are the next several pitchers that were in consideration for inclusion on this week’s list:

Gage Jump ATH (Dynasty add), Hurston Waldrep ATL, Braxton Bragg BAL (Dynasty add), Brandon Clarke BOS (Dynasty add), Payton Tolle BOS (Dynasty add), Jaxon Wiggins CHC (Dynasty add), Miguel Ullola HOU, Patrick Copen LAD (Dynasty add), Robby Snelling MIA, Griffin Herring NYY (Dynasty add), Hunter Barco PIT, Henry Baez SDP, Logan Evans SEA, Carson Whisenhunt SFG, Tekoah Roby STL, Ian Seymour TBR, Khal Stephen TOR (Dynasty Add), Trey Yesavage TOR (Dynasty add) & Travis Sykora WSN (Dynasty add).

 

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