#99 - Relief Pitcher
| Bats / Throws | Left / Left |
| Date of Birth | 6/13/2003 (22) |
| Height, Weight | 6'7", 237 lb |
| Hometown | San Juan, PRI |
| Sv | IP | ERA | WHIP | K% | BB% | ||
|---|---|---|---|---|---|---|---|
| 0 | 3.1 | 0.00 | 0.30 | 30.0% | 0.0% | ||
|
160th
1
Sv
|
354th
24.0
IP
|
1st
4.43
ERA
|
1st
1.40
WHIP
|
39th
22.2%
K%
|
1st
10.4%
BB%
|
| FB MPH | SwStr% | CSW% | Str-ICR | MTK% | PLV | PLA | ||
|---|---|---|---|---|---|---|---|---|
| 95.1 | 19.5% | 36.6% | 48.8% | 0.0% | 5.26 | 1.77 | ||
|
131st
94.3
FB MPH
|
8th
11.9%
SwStr%
|
4th
28.5%
CSW%
|
226th
50.4%
Str-ICR
|
1st
4.6%
MTK%
|
9th
4.93
PLV
|
3rd
3.50
PLA
|
5/23/2026The Stash List Week 9: Top 10 Pitching Prospects to Stash in 2026John Villavicencio
5/16/2026The Stash List Week 8: Top 10 Pitching Prospects to Stash in 2026John Villavicencio
5/10/2026The Stash List Week 7: Top 10 Pitching Prospects to Stash in 2026John Villavicencio
5/2/2026The Stash List Week 6: Top 10 Pitching Prospects to Stash in 2026John Villavicencio
4/26/2026MLB Rumor Roundup: 4/26Griffey Geiss
See More ArticlesExclusive Access to:
Weekly Player Rater | Live Draft Assistant Tool
2026 Season Projections | Ad-Free Website
| Year | Team | G | GS | IP | W-L | Sv | Hld | ERA | WHIP | xERA | FIP | xFIP | PLA | K% | BB% | H/9 | HR/9 | BABIP | HR/FB% | LOB% | ICR | GB% | SwStr% | CSW% | IPR | PLV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 1 | 0 | 3.1 | 0-0 | 0 | 0 | 0.00 | 0.30 | 0.56 | 1.17 | 1.92 | 1.77 | 30.0% | 0.0% | 2.7 | 0.00 | .143 | 0.0% | 100.0% | 42.9% | 57.1% | 19.5% | 36.6% | 0.66 | 5.26 |
| RP MLB Percentile | 0 | 0 | 0 | 0-66 | 0 | 0 | 99 | 100 | 100 | 99 | 98 | 99 | 88 | 100 | 99 | 90 | 98 | 90 | 99 | 17 | 91 | 98 | 99 | 90 | 97 | |
| RP MLB AVG | 19 | 1 | 24.0 | 1-1 | 1 | 3 | 4.43 | 1.40 | 4.32 | 4.31 | 4.36 | 3.50 | 22.2% | 10.4% | 8.5 | 1.08 | .293 | 17.6% | 71.8% | 37.4% | 43.6% | 11.9% | 28.5% | 0.49 | 4.93 | |
| Career | 1 | 0 | 3.1 | 0-0 | 0 | 0 | 0.00 | 0.30 | 0.57 | 1.30 | 2.00 | 1.77 | 30.0% | 0.0% | 2.7 | 0.00 | .143 | 0.0% | 100.0% | 42.9% | 57.1% | 19.5% | 36.6% | 0.66 | 5.26 | |
| Year | Team | G | GS | IP | W-L | QS | Sv | Hld | P | Strikes | Balls | TBF | H | 1B | 2B | 3B | HR | K | BB | HB | WP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 1 | 0 | 3.1 | 0-0 | 0 | 0 | 0 | 41 | 26 | 15 | 10 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 |
| RP MLB Percentile | 0 | 0 | 0 | 0-66 | 0 | 0 | 0 | 0 | 0 | 100 | 0 | 100 | 100 | 94 | 29 | 90 | 1 | 100 | 64 | 53 | |
| RP MLB AVG | 19 | 1 | 24.0 | 1-1 | 0 | 1 | 3 | 402 | 255 | 148 | 103 | 22 | 14 | 4 | 0 | 3 | 23 | 10 | 1 | 1 | |
| Career | 1 | 0 | 3.1 | 0-0 | 0 | 0 | 0 | 41 | 26 | 15 | 10 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Year | Team | K% | BB% | AVG | SLG | OPS | wOBA | BABIP | BACON | xAVG | xwOBA | xBABIP | xwoBACON | EV | FB EV | LA | xERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 30.0% | 0.0% | .100 | .100 | .200 | .090 | .143 | .143 | .128 | .119 | .182 | .169 | 95.5 | 91.9 | 12.4 | 0.56 |
| RP MLB Percentile | 88 | 100 | 99 | 99 | 100 | 100 | 98 | 99 | 99 | 100 | 98 | 100 | 0 | 26 | 54 | 100 | |
| RP MLB AVG | 22.2% | 10.4% | .242 | .391 | .720 | .320 | .293 | .322 | .238 | .323 | .284 | .365 | 87.9 | 89.4 | 13.2 | 4.32 | |
| Career | 30.0% | 0.0% | .100 | .100 | .200 | .090 | .143 | .143 | .128 | .119 | .182 | .169 | 95.5 | 91.9 | 12.4 | 0.57 | |
| Year | Team | FF% (MPH) | SI% (MPH) | FC% (MPH) | SL% (MPH) | ST% (MPH) | CB% (MPH) | CH% (MPH) | FS% (MPH) | KN% (MPH) | Fastball% | Secondary% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 68.3% (95.1) | - | - | 22.0% (85.3) | - | - | 9.8% (87.8) | - | - | 68.3% | 31.7% |
| RP MLB Percentile | 97 (61) | - | - | 44 (33) | - | - | 28 (63) | - | - | 94.9% | 4.8% | |
| RP MLB AVG | 37.5% (94.3) | 25.6% (93.9) | 21.6% (89.4) | 26.2% (85.4) | 21.9% (82.5) | 17.6% (79.8) | 18.4% (86.2) | 19.8% (86.5) | 31.8% (68.1) | 47.6% | 52.2% | |
| Career | 68.3% (95.1) | - | - | 22.0% (85.3) | - | - | 9.8% (87.8) | - | - | 68.3% | 31.7% | |
| Year | Team | FF CSW% | SI CSW% | FC CSW% | SL CSW% | ST CSW% | CB CSW% | CH CSW% | FS CSW% | KN CSW% | Fastball CSW% | Secondary CSW% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 39.3% (6) | - | - | 33.3% (1) | - | - | 25.0% (1) | - | - | 39.3% | 30.8% |
| RP MLB Percentile | 97 (64) | - | - | 69 (84) | - | - | 63 (14) | - | - | 98.0% | 67.8% | |
| RP MLB AVG | 26.9% (14) | 27.4% (6) | 27.1% (7) | 29.3% (12) | 28.2% (11) | 27.0% (7) | 21.8% (10) | 24.4% (13) | 23.3% (6) | 27.9% | 28.6% | |
| Career | 39.3% (6) | - | - | 33.3% (1) | - | - | 25.0% (1) | - | - | 39.3% | 30.8% | |
| Year | Team | GB% | LD% | FB% | PU% | SS% | Pull% | Cent% | Oppo% | Foul Str% | PC% | Fl&B% | Solid% | Brl% | ICR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 57.1% | 14.3% | 14.3% | 14.3% | 14.3% | 57.1% | 42.9% | 0.0% | 9.8% | 57.2% | 42.9% | 0.0% | 0.0% | 42.9% |
| RP MLB Percentile | 91 | 89 | 8 | 81 | 100 | 97 | 89 | 0 | 0 | 18 | 0 | 95 | 96 | 17 | |
| RP MLB AVG | 43.6% | 21.8% | 24.2% | 10.3% | 34.7% | 41.4% | 33.6% | 25.1% | 17.7% | 62.3% | 24.7% | 5.9% | 7.2% | 37.4% | |
| Career | 57.1% | 14.3% | 14.3% | 14.3% | 14.3% | 57.1% | 42.9% | 0.0% | 9.8% | 57.2% | 42.9% | 0.0% | 0.0% | 42.9% | |
| Year | Team | AVG | wOBA | BABIP | BACON | xAVG | xwOBA | xBABIP | xwoBACON | EV | FB EV | LA | HR/FB | ICR | IPA% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | .100 | .090 | .143 | .143 | .128 | .119 | .182 | .169 | 95.5 | 91.9 | 12.4 | 0.0% | 42.9% | 30.0% |
| RP MLB Percentile | 99 | 100 | 98 | 99 | 99 | 100 | 98 | 100 | 0 | 26 | 54 | 90 | 17 | 14 | |
| RP MLB AVG | .242 | .320 | .293 | .322 | .238 | .323 | .284 | .365 | 87.9 | 89.4 | 13.2 | 17.6% | 37.4% | 24.7% | |
| Career | .100 | .090 | .143 | .143 | .128 | .119 | .182 | .169 | 95.5 | 91.9 | 12.4 | 0.0% | 42.9% | 30.0% | |
| Year | Team | Zone% | Str% | Swing% | O-Sw% | Whiff% | Foul Str% | Con% | Z-Con% | O-Con% | CS% | SwStr% | CSW% | BIP% | PLUS% | IPR | Str-ICR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 41.5% | 63.4% | 46.3% | 33.3% | 42.1% | 9.8% | 57.9% | 63.6% | 50.0% | 17.1% | 19.5% | 36.6% | 17.1% | 61.0% | 0.66 | 48.8% |
| RP MLB Percentile | 20 | 47 | 45 | 66 | 99 | 0 | 99 | 100 | 80 | 60 | 98 | 99 | 48 | 83 | 90 | 35 | |
| RP MLB AVG | 44.4% | 63.2% | 46.7% | 31.0% | 25.5% | 17.7% | 74.5% | 84.0% | 58.5% | 16.5% | 11.9% | 28.5% | 17.0% | 57.8% | 0.49 | 50.4% | |
| Career | 41.5% | 63.4% | 46.3% | 33.3% | 42.1% | 9.8% | 57.9% | 63.6% | 50.0% | 17.1% | 19.5% | 36.6% | 17.1% | 61.0% | 0.66 | 48.8% | |
| Year | Team | Zone% | aLoc% | x-mLoc% | gLoc% | hiLoc% | y-mLoc% | loLoc% | iLoc% | oLoc% | mmLoc% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 41.5% | 29.3% | 24.4% | 46.3% | 29.3% | 24.4% | 46.3% | 7.3% | 68.3% | 4.9% |
| RP MLB Percentile | 20 | 19 | 73 | 88 | 19 | 30 | 77 | 0 | 100 | 12 | |
| RP MLB AVG | 44.4% | 34.6% | 26.9% | 38.5% | 36.2% | 22.8% | 41.0% | 30.1% | 43.0% | 6.5% | |
| Career | 41.5% | 29.3% | 24.4% | 46.3% | 29.3% | 24.4% | 46.3% | 7.3% | 68.3% | 4.9% | |
| Year | Team | Early% | Behind% | 2-Str% | Early BIP% | F-Str% | TF-Str% | ECS% | 2-Str O-Sw% | PAR% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 63.4% | 14.6% | 22.0% | 11.5% | 60.0% | 60.0% | 15.4% | 22.2% | 33.3% |
| RP MLB Percentile | 94 | 21 | 3 | 18 | 46 | 95 | 6 | 21 | 99 | |
| RP MLB AVG | 58.5% | 12.6% | 29.5% | 14.3% | 60.3% | 49.7% | 21.2% | 26.2% | 19.2% | |
| Career | 63.4% | 14.6% | 22.0% | 11.5% | 60.0% | 60.0% | 15.4% | 22.2% | 33.3% | |
| Year | Team | P | PLV | QP% | AP% | BP% | Q-BP% | MTK% | HP | HL | PLA |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | BOS | 41 | 5.26 | 48.8% | 22.0% | 29.3% | 19.5% | 0.0% | -1.8 | -1 | 1.77 |
| RP MLB Percentile | 0 | 97 | 76 | 96 | 96 | 96 | 99 | 66 | 60 | 99 | |
| RP MLB AVG | 402 | 4.93 | 46.0% | 17.0% | 37.0% | 9.1% | 4.6% | 0.6 | +0 | 3.50 | |
| Career | 41 | 5.26 | 48.8% | 22.0% | 29.3% | 19.5% | 0.0% | -1.8 | -1 | 1.77 | |