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Fantasy Baseball Waiver Wire Picks: 6/19

Scoop up these players off your waiver wire.

Kyle McCarthy
Waiver Wire 6/19/2025

Welcome to the Waiver Wire Picks, our daily fantasy baseball article that looks at the best players in baseball that you should be adding to your rosters. We’ll look at the players that are likely to be available in most leagues, as well as some deep league waiver wire options, and we’ll also look at the most added players in fantasy baseball across the major sites, and let you know which players to add, and which players you can leave on the wire.

 

Top Priority Players to Add

 

Alejandro Kirk (C), TOR (39% owned in Yahoo!)

Kirk’s 126 Process+ is the best among all catchers this season and a top 10 mark in baseball. The names around him include Zach Neto, James Wood, and Vladimir Guerrero Jr.  He’s hitting .352/.364/.519 and only ranks behind Juan Soto and Mike Trout in hard-hit rate during June. He is building on his breakout 2022 campaign, when he logged a career-high 541 plate appearances and slashed .285/.372/.415 (129 wRC+) with 14 home runs and 63 RBI, with a few differences in approach and his launch angles.

 

The 26-year-old is one of the most underrated players in baseball. Hitting in the middle of a near top-ten Toronto lineup, he should be universally owned.

 

Marcelo Mayer (BOS), 3B, SS (19% owned in Yahoo!)

Mayer is already showing the ability to hit the ball hard and lift it in the big leagues, and that is worth paying attention to. In 61 plate appearances, he owns a strong 57.9% hard-hit rate and 13.2% barrel rate. It’s come with a strikeout north of 30%, but his Zone Contact rate is solid at 85.9%, comparable to Bobby Witt Jr. and Gunnar Henderson.

 

Edward Cabrera (MIA), SP (17% owned in Yahoo!)

I’ll continue to bang the drum for Cabrera as he’s pitched well since May, making strides in multiple areas. He’s cut the walk rate down to roughly league-average 8.5% since the start of May. And since the middle of May, the whiffs have come in waves along with a healthy 51.7% ground ball rate. He has the 8th-best swinging strike rate at 14.5% among starters and the ninth-best strikeout rate (31.7%) in that span (min. 20 innings). He has a 2.31 ERA, 2.85 FIP, and 3.07 SIERA since mid-May. Could it finally be happening for our guy?

 

Ryan Gusto (HOU), SP, RP (7% owned in Yahoo!)

Gusto continues to cling to the opportunity given to him with the Houston rotation dealing with multiple injuries. And quietly, he has pitched well of late. He experienced a dip in his fastball velocity around the start of May as he was integrated into the rotation, but has built back up and is settling back into consistently reaching 94-95 mph. He looks locked into a rotation spot and strikes guys out. The added RP eligibility is also useful for those in points leagues who don’t want to play relievers.

 

Yahoo! and ESPN Most Added Players

 

Cam Smith hit two homers in Sacramento Tuesday night. He has an 8.1% barrel rate and 50% hard-hit rate since mid-May and has cut the strikeout rate down to 25% in that span. Smith has incredible power and speed tools, and he could be figuring things out.

 

Ryan Yarbrough was picked up to target the Angels at home on Wednesday and was fine, allowing two runs on five hits and one walk with three strikeouts in 5.1 innings. He doesn’t go far into games that often and won’t provide too much strikeout juice, and should continue to be viewed as a streamer.

It’s been vintage Javier Báez this season, as he’s hitting .289/.324/.474 with nine homers in 222 plate appearances. His 126 wRC+ is currently the second-best of his career. I don’t know if it will continue, but he is hitting the ball hard and pulling it more.

Mitchell Parker was picked up to stream against the road Rockies on Wednesday and shut them down, allowing one run on six hits and no walks with eight strikeouts in six innings. He’s tough to trust, as he got blasted for six runs in a similar streaming matchup against Miami in his last outing.

Patrick Corbin did not reward the managers who scooped him up to stream against the Royals, as he allowed four runs on six hits and two walks while striking out four across five innings. He’s not an exciting pitcher to stream at this stage, and while the Royals are near the bottom in runs scored, it’s still a bit risky.

 

Jacob Misiorowski had an electric debut, lighting up the radar gun and missing bats. What was beautiful to see was how often he filled up the zone, as he had a 56.4% zone rate in his debut. The Stuff+ is gaudy at an overall of 130, which would rank first among starters if he had enough innings. He should be owned everywhere and watched anytime he’s on the mound.

Clarke Schmidt is a good pitcher. I mentioned him a while ago as a priority add when he was still knocking some rust off returning from his injury. Since his third start of the season on April 27, he has the 15th-best ERA among qualified starters at 2.38. He understands his arsenal well, and his pitches play off each other effectively. The development of his cutter has been key.

David Peterson has been included in this section. a few times, and he’s had a breakout season for the Mets with a 2.80 ERA and 1.19 WHIP in 86.2 innings.

Quinn Priester has thrown some quality innings for the Brew Crew lately, as he owns a 2.36 ERA, 3.01 FIP, and 3.15 SIERA in 34.1 innings since May 15. He doesn’t strike guys out, but he’s amongst the typical crew of the groundball maestros with a 62.3% ground ball rate. That makes him interesting.

Grant Holmes tore up the poor Rockies with 15 strikeouts on Father’s Day, and his breaking balls are devastating when he’s spinning them well.

 

Streaming Pitchers

 

Be sure to check out Nick’s daily SP streaming article!

Kumar Rocker (TEX), SP (15% owned in Yahoo!)

Rocker gets an exploitable matchup with the Pirates on Saturday. He had a weird last outing against the White Sox as he left with cramping, but he still got to 82 pitches and threw five scoreless innings with six strikeouts, so he should be ready to rock for this start. He needs to use his breaking balls more, but he commanded both of his fastballs well against the White Sox.

The Pirates own the second-worst OPS against RHPs this season at .646, only ahead of the White Sox, whom he just handled with ease. It looks like a good spot for Rocker to keep the good times going.

 

Deep League Players to Watch

 

Joe Boyle (TB), SP (5% owned in Yahoo!)

Boyle is second among all Triple-A pitchers with a 31.7% strikeout rate and has dropped the walk rate to 11.1%. That’s still high, but it’s much better than what it was, and could be impacted by the ABS system at Triple-A. Boyle is a giant at 6’8″, 250 pounds with a fastball that sits 98 mph and a tight bullet slider in the low 90s. He’s upped his zone rate from 48.3% last year to 51.4% this season. The Rays could soon look for more upside from the rotation spot by Zack Littell, or an injury in the rotation could open the door for Boyle.

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Kyle McCarthy

Kyle is an avid sports fan and stats appreciator. He is a die-hard Washington Commanders fan.

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