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Gregory Santos

Relief Pitcher

Free Agent

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

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 5.0 3.60 1.60 4.5% 13.6%
180th 2
Sv
351st 32.0
IP
140th 4.37
ERA
272nd 1.38
WHIP
351st 22.2%
K%
288th 10.1%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
97.2 3.5% 23.3% 46.5% 15.1% 4.95 3.59
35th 94.4
FB MPH
350th 12.1%
SwStr%
336th 28.4%
CSW%
303rd 50.7%
Str-ICR
351st 4.6%
MTK%
155th 4.93
PLV
186th 3.49
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 CHW 60 0 66.1 2-2 5 6 3.39 1.30 2.74 2.65 3.49 2.68 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 2.65 19.4% 3.2% 8.6 0.00 .304 0.0% 55.6% 34.8% 60.9% 10.7% 25.9% 0.46 5.15
2025 SEA 8 0 7.0 1-1 0 1 5.14 2.29 7.35 6.56 7.61 4.84 0.0% 22.2% 10.3 0.00 .296 0.0% 62.5% 35.7% 60.7% 4.5% 18.2% 0.06 4.69
2026 SF 3 0 5.0 0-0 0 0 3.60 1.60 5.16 4.52 5.98 3.59 4.5% 13.6% 9.0 0.00 .278 0.0% 37.5% 38.9% 55.6% 3.5% 23.3% 0.30 4.95
RP MLB Percentile 0 0 0 0-73 0 0 59 22 21 41 7 47 0 17 36 96 61 96 0 36 88 0 4 5 54
RP MLB AVG 25 1 32.0 2-2 2 4 4.37 1.38 4.33 4.37 4.40 3.49 22.2% 10.1% 8.4 1.15 .292 18.2% 72.2% 37.1% 43.8% 12.1% 28.4% 0.49 4.93
Career 84 0 91.1 3-6 5 10 4.14 1.43 3.59 3.54 4.10 2.98 19.1% 8.3% 9.6 0.49 .324 10.9% 65.4% 34.5% 56.9% 12.5% 29.9% 0.52 5.15

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 CHW 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 0 0 0 0-73 0 0 0 0 0 100 0 99 99 75 9 96 0 95 72 64
RP MLB AVG 25 1 32.0 2-2 0 2 4 533 339 194 137 29 19 5 0 4 31 13 2 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

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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 CHW 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 .364 .278 .278 .291 .355 .307 .317 91.6 82.8 1.7 5.16
RP MLB Percentile 0 17 34 20 18 19 61 78 9 21 24 78 6 96 96 21
RP MLB AVG 22.2% 10.1% .244 .394 .723 .319 .292 .323 .237 .319 .280 .360 87.7 89.3 13.2 4.33
Career 19.1% 8.3% .264 .360 .697 .311 .324 .336 .236 .289 .289 .313 88.7 89.1 3.3 3.59

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 SF39.6% (97.6)1.9% (97.9)-58.5% (90.0)----- 41.5% 58.5%
2022 SF47.8% (98.8)--52.2% (87.8)----- 47.8% 52.2%
2023 CHW2.1% (97.4)43.8% (98.8)-52.5% (91.4)--1.4% (93.2)-- 45.9% 54.0%
2024 SEA5.4% (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 SF12.8% (96.1)33.7% (97.2)-51.2% (89.1)--2.3% (93.7)-- 46.5% 53.5%
RP MLB Percentile 5 (73) 73 (90) - 93 (90) - - 3 (99) - - 41.3% 59.0%
RP MLB AVG 38.3% (94.4) 25.3% (93.9) 20.8% (89.4) 26.1% (85.0) 21.3% (82.5) 17.2% (79.6) 17.5% (86.3) 18.7% (86.4) 31.8% (68.1) 48.2% 51.6%
Career6.2% (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 SF23.8% (3)0.0% (0)-32.3% (2)----- 22.7% 32.3%
2022 SF28.1% (3)--20.0% (3)----- 28.1% 20.0%
2023 CHW22.7% (1)29.4% (44)-36.9% (109)--6.7% (1)-- 29.1% 36.1%
2024 SEA33.3% (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 SF27.3% (0)13.8% (2)-29.5% (1)--0.0% (0)-- 17.5% 28.3%
RP MLB Percentile 52 (0) 5 (66) - 50 (84) - - 0 (0) - - 1.1% 46.7%
RP MLB AVG 27.0% (19) 27.1% (7) 27.4% (9) 29.3% (16) 28.1% (13) 27.4% (9) 21.5% (12) 24.0% (15) 23.3% (6) 27.6% 28.7%
Career26.1% (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 CHW 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 88 44 9 13 24 12 47 92 60 38 67 0 99 36
RP MLB AVG 43.8% 21.6% 24.3% 10.4% 34.4% 41.1% 33.8% 25.1% 17.9% 62.6% 24.4% 5.9% 7.2% 37.1%
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

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 CHW .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 .364 .278 .278 .291 .355 .307 .317 91.6 82.8 1.7 0.0% 38.9% 31.8%
RP MLB Percentile 34 19 61 78 9 21 24 78 6 96 96 96 36 6
RP MLB AVG .244 .319 .292 .323 .237 .319 .280 .360 87.7 89.3 13.2 18.2% 37.1% 24.6%
Career .264 .311 .324 .336 .236 .289 .289 .313 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 CHW 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 100 39 13 0 0 60 0 1 1 92 0 4 93 34 5 13
RP MLB AVG 44.4% 63.4% 47.1% 31.4% 25.6% 17.9% 74.4% 83.9% 58.5% 16.3% 12.1% 28.4% 17.1% 57.9% 0.49 50.7%
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 CHW 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 100 90 10 2 7 19 86 93 1 88
RP MLB AVG 44.4% 34.6% 26.9% 38.5% 36.4% 22.8% 40.8% 29.9% 43.1% 6.6%
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 CHW 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 26 3 18 44 92 99 95 0 0
RP MLB AVG 58.5% 12.4% 29.6% 14.5% 60.6% 49.8% 21.0% 26.4% 19.1%
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 CHW 1,047 5.23 50.8% 18.0% 31.2% 19.6% 6.9% 7.8 +12 2.68
2024 SEA 112 5.15 47.3% 23.2% 29.5% 17.9% 5.4% -0.7 0 2.65
2025 SEA 132 4.69 35.6% 21.2% 43.2% -7.6% 8.3% 1.7 +1 4.84
2026 SF 86 4.95 40.7% 19.8% 39.5% 1.2% 15.1% 1.2 -1 3.59
RP MLB Percentile 0 54 6 83 22 22 0 46 64 47
RP MLB AVG 533 4.93 45.8% 17.3% 36.9% 8.8% 4.6% 0.9 +0 3.49
Career 1,497 5.15 48.2% 18.8% 33.0% 15.2% 7.3% 16.0 +13 2.98
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