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Gregory Santos

#57 - Relief Pitcher

San Francisco Giants

Bats / Throws Right / Right
Date of Birth 8/28/1999 (26)
Height, Weight 6'3", 236 lb
Hometown San Cristobal, DOM

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 5.0 3.60 1.60 4.5% 13.6%
119th 1
Sv
314th 15.0
IP
154th 4.79
ERA
251st 1.46
WHIP
348th 22.1%
K%
267th 10.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
97.2 3.5% 23.3% 46.5% 20.9% 4.34 6.40
25th 94.2
FB MPH
346th 11.9%
SwStr%
322nd 28.5%
CSW%
280th 50.2%
Str-ICR
352nd 6.0%
MTK%
314th 4.72
PLV
308th 4.67
PLA

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Gregory Santos Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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
2021 SF 3 0 2.0 0-2 0 1 22.50 3.50 17.13 22.67 7.21 4.91 23.1% 15.4% 22.5 13.50 .400 100.0% 35.7% 62.5% 37.5% 9.4% 28.3% 0.43 5.21
2022 SF 2 0 3.2 0-0 0 0 4.91 1.64 3.89 4.68 6.11 3.79 11.8% 17.6% 7.4 0.00 .250 0.0% 66.7% 16.7% 75.0% 9.0% 23.9% 0.31 5.00
2023 CWS 60 0 66.1 2-2 5 6 3.39 1.30 2.74 2.65 3.49 2.67 22.8% 5.9% 9.4 0.27 .337 6.3% 70.3% 33.8% 55.8% 14.8% 32.9% 0.62 5.23
2024 SEA 8 0 7.1 0-1 0 2 4.91 1.09 2.75 2.32 3.33 0.61 19.4% 3.2% 8.6 0.00 .304 0.0% 55.6% 34.8% 60.9% 10.7% 25.9% 0.46 5.14
2025 SEA 8 0 7.0 1-1 0 1 5.14 2.29 7.35 6.56 7.61 3.12 0.0% 22.2% 10.3 0.00 .296 0.0% 62.5% 35.7% 60.7% 4.5% 18.2% 0.06 4.90
2026 SF 3 0 5.0 0-0 0 0 3.60 1.60 5.06 4.51 5.86 6.40 4.5% 13.6% 9.0 0.00 .278 0.0% 37.5% 38.9% 55.6% 3.5% 23.3% 0.30 4.34
RP MLB Percentile 5 0 9 0-54 0 0 55 28 28 41 13 13 1 23 37 76 55 76 2 41 85 1 8 11 11
RP MLB AVG 12 1 15.0 1-1 1 2 4.79 1.46 4.47 4.50 4.43 4.67 22.1% 10.8% 8.8 1.14 .296 17.6% 71.5% 37.5% 44.5% 11.9% 28.5% 0.49 4.72
Career 84 0 91.1 3-6 5 10 4.14 1.43 3.58 3.54 4.09 2.84 19.1% 8.3% 9.6 0.49 .324 10.9% 65.4% 34.5% 56.9% 12.5% 29.9% 0.52 5.14

Gregory Santos Repertoire

2021 2022 2023 2024 2025 2026 All
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Gregory Santos Game Log

Gregory Santos Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2021 SF 3 0 2.0 0-2 0 0 1 53 31 22 13 5 2 0 0 3 3 2 0 0
2022 SF 2 0 3.2 0-0 0 0 0 67 40 27 17 3 2 1 0 0 2 3 0 0
2023 CWS 60 0 66.1 2-2 0 5 6 1,047 706 341 289 69 58 8 1 2 66 17 5 2
2024 SEA 8 0 7.1 0-1 0 0 2 112 76 36 31 7 5 2 0 0 6 1 1 0
2025 SEA 8 0 7.0 1-1 0 0 1 132 74 58 36 8 5 3 0 0 0 8 0 2
2026 SF 3 0 5.0 0-0 0 0 0 86 54 32 22 5 2 2 1 0 1 3 0 0
RP MLB Percentile 5 0 9 0-54 0 0 0 8 9 91 8 88 91 45 3 76 1 78 50 43
RP MLB AVG 12 1 15.0 1-1 0 1 2 262 165 97 67 14 9 3 0 2 15 7 1 1
Career 84 0 91.1 3-6 0 5 10 1,497 981 516 408 97 74 16 2 5 78 34 6 4

Gregory Santos Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2021 SF 23.1% 15.4% .455 1.273 1.811 .705 .400 .625 .386 .633 .309 .855 101.0 100.4 20.5 17.13
2022 SF 11.8% 17.6% .214 .286 .639 .300 .250 .250 .221 .309 .258 .265 87.2 94.8 -1.4 3.89
2023 CWS 22.8% 5.9% .258 .318 .633 .283 .337 .343 .221 .253 .291 .289 88.5 88.2 2.4 2.74
2024 SEA 19.4% 3.2% .241 .310 .600 .269 .304 .304 .223 .257 .281 .285 85.7 87.5 6.4 2.75
2025 SEA 0.0% 22.2% .296 .407 .864 .373 .296 .296 .306 .408 .281 .332 87.7 91.7 5.4 7.35
2026 SF 4.5% 13.6% .263 .474 .838 .368 .278 .278 .291 .359 .307 .321 91.6 82.8 1.7 5.06
RP MLB Percentile 1 23 38 23 26 27 55 70 13 28 32 69 13 89 95 28
RP MLB AVG 22.1% 10.8% .245 .395 .729 .326 .296 .325 .238 .327 .283 .369 88.1 89.3 13.0 4.47
Career 19.1% 8.3% .264 .360 .697 .315 .324 .336 .236 .292 .289 .317 88.7 89.1 3.3 3.58

Gregory Santos Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2021 SF 39.6% (97.6) 1.9% (97.9) - 58.5% (90.0) - - - - - 41.5% 58.5%
2022 SF 47.8% (98.8) - - 52.2% (87.8) - - - - - 47.8% 52.2%
2023 CWS 2.1% (97.4) 43.8% (98.8) - 52.5% (91.4) - - 1.4% (93.2) - - 45.9% 54.0%
2024 SEA 5.4% (96.6) 33.0% (98.5) - 58.9% (89.8) - - 2.7% (93.1) - - 38.4% 61.6%
2025 SEA - 37.1% (97.4) - 60.6% (88.5) - - 1.5% (93.8) - - 37.1% 62.1%
2026 SF 12.8% (96.1) 33.7% (97.2) - 51.2% (89.1) - - 2.3% (93.7) - - 46.5% 53.5%
RP MLB Percentile 11 (73) 70 (89) - 91 (89) - - 2 (99) - - 41.2% 58.5%
RP MLB AVG 35.7% (94.2) 26.7% (93.9) 20.7% (89.2) 27.0% (85.5) 23.3% (82.5) 17.2% (80.7) 18.5% (86.1) 19.5% (86.2) 32.2% (68.2) 47.6% 52.2%
Career 6.1% (97.7) 38.4% (98.6) - 53.8% (90.6) - - 1.5% (93.3) - - 44.6% 55.3%

Gregory Santos Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2021 SF 23.8% (3) 0.0% (0) - 32.3% (2) - - - - - 22.7% 32.3%
2022 SF 28.1% (3) - - 20.0% (3) - - - - - 28.1% 20.0%
2023 CWS 22.7% (1) 29.4% (44) - 36.9% (109) - - 6.7% (1) - - 29.1% 36.1%
2024 SEA 33.3% (2) 21.6% (2) - 25.8% (8) - - 66.7% (0) - - 23.3% 27.5%
2025 SEA - 20.4% (1) - 16.3% (5) - - 50.0% (0) - - 20.4% 17.1%
2026 SF 27.3% (0) 13.8% (2) - 29.5% (1) - - 0.0% (0) - - 17.5% 28.3%
RP MLB Percentile 51 (90) 5 (58) - 47 (80) - - 0 (0) - - 3.7% 47.2%
RP MLB AVG 26.7% (8) 28.1% (5) 27.5% (6) 29.9% (9) 27.6% (8) 26.8% (5) 22.0% (7) 25.8% (9) 22.0% (6) 27.8% 28.4%
Career 26.1% (9) 27.3% (49) - 32.6% (128) - - 18.2% (1) - - 27.1% 32.2%

Gregory Santos Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR
2021 SF 37.5% 12.5% 37.5% 12.5% 37.5% 37.5% 12.5% 50.0% 15.1% 37.5% 25.0% 0.0% 37.5% 62.5%
2022 SF 75.0% 8.3% 16.7% 0.0% 16.7% 75.0% 25.0% 0.0% 17.9% 83.3% 8.3% 8.3% 0.0% 16.7%
2023 CWS 55.8% 25.6% 16.1% 2.5% 34.7% 37.3% 32.8% 29.9% 15.4% 65.8% 29.1% 4.5% 0.5% 33.8%
2024 SEA 60.9% 13.0% 13.0% 13.0% 21.7% 39.1% 30.4% 30.4% 21.4% 65.2% 30.4% 0.0% 4.3% 34.8%
2025 SEA 60.7% 21.4% 10.7% 7.1% 21.4% 39.3% 42.9% 17.9% 16.7% 64.3% 21.4% 7.1% 7.1% 35.7%
2026 SF 55.6% 22.2% 16.7% 5.6% 38.9% 33.3% 33.3% 33.3% 18.6% 61.1% 22.2% 16.7% 0.0% 38.9%
RP MLB Percentile 85 41 16 23 30 15 47 84 66 42 59 2 89 41
RP MLB AVG 44.5% 21.2% 24.3% 10.0% 34.1% 41.9% 33.3% 24.8% 17.5% 62.3% 24.2% 6.1% 7.5% 37.5%
Career 56.9% 22.9% 16.0% 4.2% 31.9% 39.0% 32.8% 28.3% 16.2% 65.3% 27.1% 5.2% 2.4% 34.5%

Gregory Santos Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR IPA%
2021 SF .455 .705 .400 .625 .386 .633 .309 .855 101.0 100.4 20.5 100.0% 62.5% 38.5%
2022 SF .214 .300 .250 .250 .221 .309 .258 .265 87.2 94.8 -1.4 0.0% 16.7% 11.8%
2023 CWS .258 .283 .337 .343 .221 .253 .291 .289 88.5 88.2 2.4 6.3% 33.8% 23.5%
2024 SEA .241 .269 .304 .304 .223 .257 .281 .285 85.7 87.5 6.4 0.0% 34.8% 25.8%
2025 SEA .296 .373 .296 .296 .306 .408 .281 .332 87.7 91.7 5.4 0.0% 35.7% 27.8%
2026 SF .263 .368 .278 .278 .291 .359 .307 .321 91.6 82.8 1.7 0.0% 38.9% 31.8%
RP MLB Percentile 38 27 55 70 13 28 32 69 13 89 95 76 41 10
RP MLB AVG .245 .326 .296 .325 .238 .327 .283 .369 88.1 89.3 13.0 17.6% 37.5% 24.6%
Career .264 .315 .324 .336 .236 .292 .289 .317 88.7 89.1 3.3 10.9% 34.5% 24.5%

Gregory Santos Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR Str-ICR
2021 SF 47.2% 58.5% 39.6% 25.0% 23.8% 15.1% 76.2% 85.7% 57.1% 18.9% 9.4% 28.3% 15.1% 49.1% 0.43 39.6%
2022 SF 44.8% 59.7% 44.8% 29.7% 20.0% 17.9% 80.0% 89.5% 63.6% 14.9% 9.0% 23.9% 17.9% 55.2% 0.31 53.7%
2023 CWS 47.6% 67.4% 49.4% 34.4% 30.0% 15.4% 70.0% 83.2% 47.1% 18.1% 14.8% 32.9% 19.2% 60.8% 0.62 54.4%
2024 SEA 43.8% 67.9% 52.7% 31.7% 20.3% 21.4% 79.7% 87.2% 65.0% 15.2% 10.7% 25.9% 20.5% 61.6% 0.46 53.6%
2025 SEA 49.2% 56.1% 42.4% 10.4% 10.7% 16.7% 89.3% 89.8% 85.7% 13.6% 4.5% 18.2% 21.2% 50.0% 0.06 40.9%
2026 SF 57.0% 62.8% 43.0% 13.5% 8.1% 18.6% 91.9% 93.8% 80.0% 19.8% 3.5% 23.3% 20.9% 57.0% 0.30 46.5%
RP MLB Percentile 99 45 21 0 1 66 1 4 4 85 1 8 92 42 11 20
RP MLB AVG 44.1% 62.9% 46.3% 30.7% 25.5% 17.5% 74.5% 83.8% 58.9% 16.6% 11.9% 28.5% 17.0% 57.4% 0.49 50.2%
Career 47.8% 65.5% 48.1% 30.6% 26.0% 16.2% 74.0% 85.2% 51.5% 17.4% 12.5% 29.9% 19.4% 59.1% 0.52 52.2%

Gregory Santos Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2021 SF 47.2% 35.8% 15.1% 49.1% 34.0% 20.8% 45.3% 47.2% 37.7% 3.8%
2022 SF 44.8% 28.4% 17.9% 53.7% 11.9% 26.9% 61.2% 55.2% 26.9% 7.5%
2023 CWS 47.6% 33.9% 23.1% 42.9% 20.5% 27.9% 51.6% 36.3% 40.5% 7.2%
2024 SEA 43.8% 33.9% 19.6% 46.4% 30.4% 33.0% 36.6% 39.3% 41.1% 8.0%
2025 SEA 49.2% 32.1% 27.5% 40.5% 20.6% 32.1% 47.3% 30.5% 42.0% 13.0%
2026 SF 57.0% 43.0% 31.4% 25.6% 25.6% 25.6% 48.8% 37.2% 31.4% 8.1%
RP MLB Percentile 99 85 13 5 11 22 83 88 5 81
RP MLB AVG 44.1% 35.1% 26.7% 38.2% 36.1% 22.8% 41.1% 30.5% 42.8% 6.5%
Career 47.8% 34.1% 23.2% 42.7% 21.6% 28.2% 50.2% 37.3% 39.5% 7.7%

Gregory Santos Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2021 SF 56.6% 17.0% 26.4% 13.3% 53.8% 46.2% 23.3% 21.4% 21.4%
2022 SF 53.7% 17.9% 28.4% 13.9% 76.5% 58.8% 22.2% 26.3% 10.5%
2023 CWS 62.8% 9.8% 28.1% 17.7% 63.0% 52.9% 22.1% 27.6% 22.4%
2024 SEA 60.7% 10.7% 29.5% 13.2% 51.6% 35.5% 20.6% 42.4% 18.2%
2025 SEA 62.1% 22.7% 21.2% 14.6% 52.9% 41.2% 12.2% 7.1% 0.0%
2026 SF 57.0% 17.4% 26.7% 14.3% 68.2% 63.6% 26.5% 13.0% 4.3%
RP MLB Percentile 35 8 27 53 90 98 88 4 1
RP MLB AVG 58.5% 12.9% 29.1% 14.2% 59.8% 49.5% 21.0% 26.0% 19.4%
Career 61.6% 12.1% 27.5% 16.6% 61.8% 51.2% 21.4% 26.3% 19.0%

Gregory Santos PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2021 SF 53 5.21 50.9% 13.2% 35.8% 15.1% 5.7% 5.3 +2 4.91
2022 SF 67 5.00 41.8% 22.4% 35.8% 6.0% 7.5% 0.7 -1 3.79
2023 CWS 1,047 5.23 50.9% 18.0% 31.1% 19.8% 6.9% 7.8 +12 2.67
2024 SEA 112 5.14 40.0% 28.0% 32.0% 8.0% 16.0% -0.3 +0 0.61
2025 SEA 132 4.90 39.4% 20.2% 40.4% -1.0% 11.1% 1.9 0 3.12
2026 SF 86 4.34 30.2% 17.4% 52.3% -22.1% 20.9% 1.2 -1 6.40
RP MLB Percentile 8 11 10 23 3 3 0 52 78 13
RP MLB AVG 262 4.72 39.5% 19.9% 40.5% -1.0% 6.0% 1.9 +2 4.67
Career 1,497 5.14 48.1% 18.3% 33.6% 14.6% 8.2% 16.6 +12 2.84
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