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Garrett Whitlock

#22 - Relief Pitcher

Boston Red Sox

Bats / Throws Right / Right
Date of Birth 6/11/1996 (30)
Height, Weight 6'5", 222 lb
Hometown Snellville, GA

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
4 51.1 1.75 0.88 30.4% 4.1%
53rd 3
Sv
157th 51.0
IP
12th 4.20
ERA
9th 1.35
WHIP
28th 22.6%
K%
5th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
95.0 18.5% 32.6% 58.8% 6.8% 5.09 2.52
126th 94.7
FB MPH
8th 12.1%
SwStr%
28th 28.5%
CSW%
8th 51.2%
Str-ICR
321st 4.7%
MTK%
49th 4.94
PLV
19th 3.50
PLA
Saves List
Rank
29th
Holds List
Rank
2nd
Saves+Holds List
Rank
14th

Articles

9/20/2026Fantasy Baseball Relief Pitcher Roundup: 9/19Rick Graham

9/19/2026OTW 268 - Final FAAB; September 20, 2026Adam Howe

9/18/2026Fantasy Baseball Relief Pitcher Roundup: 9/17Rick Graham

9/15/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 9/15Rick Graham

9/14/2026Fantasy Baseball Relief Pitcher Roundup: 9/13Rick Graham

See More Articles
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Garrett Whitlock 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 BOS 46 0 73.1 8-4 2 14 1.96 1.10 3.03 2.84 3.06 2.78 27.2% 5.7% 7.9 0.74 .304 17.1% 82.0% 37.6% 52.3% 13.9% 31.4% 0.64 5.20
2022 BOS 31 9 78.1 4-2 6 4 3.45 1.02 3.31 3.29 3.09 2.67 26.4% 4.8% 7.5 1.15 .271 20.0% 73.1% 38.0% 42.9% 15.2% 31.9% 0.63 5.12
2023 BOS 22 10 71.2 5-5 1 3 5.15 1.33 4.81 4.28 3.66 3.38 23.7% 4.3% 10.3 1.63 .342 26.5% 68.9% 41.2% 46.3% 14.5% 31.5% 0.63 5.04
2024 BOS 4 4 18.1 1-0 0 0 1.96 1.15 3.36 3.33 3.93 2.92 22.7% 9.3% 6.9 0.49 .271 10.0% 87.4% 42.0% 36.7% 7.8% 25.9% 0.48 5.18
2025 BOS 62 0 72.0 7-3 1 24 2.25 1.08 2.89 2.18 3.21 3.04 31.1% 8.2% 6.8 0.25 .304 4.9% 77.3% 34.1% 48.0% 17.4% 32.8% 0.73 5.06
2026 BOS 53 0 51.1 7-2 4 25 1.75 0.88 2.41 2.02 2.66 2.52 30.4% 4.1% 6.5 0.53 .276 10.0% 78.4% 36.2% 42.1% 18.5% 32.6% 0.73 5.09
RP MLB Percentile 69 0 54 92-47 81 97 97 97 97 98 97 95 92 99 84 84 63 83 76 53 42 97 91 97 83
RP MLB AVG 41 2 51.0 3-3 3 7 4.20 1.35 4.20 4.19 4.25 3.50 22.6% 9.8% 8.3 1.10 .291 17.7% 72.7% 36.8% 44.0% 12.1% 28.5% 0.50 4.94
Career 218 23 365.0 32-16 14 70 2.93 1.10 3.34 3.00 3.20 2.90 27.3% 5.7% 7.8 0.86 .300 16.3% 76.4% 37.9% 46.0% 15.2% 31.6% 0.66 5.10

Garrett Whitlock Repertoire

2021 2022 2023 2024 2025 2026 All
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Garrett Whitlock Game Log

Garrett Whitlock 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 BOS 46 0 73.1 8-4 0 2 14 1,150 780 370 298 64 44 14 0 6 81 17 3 3
2022 BOS 31 9 78.1 4-2 2 6 4 1,166 793 373 311 65 40 14 1 10 82 15 1 2
2023 BOS 22 10 71.2 5-5 3 1 3 1,195 815 380 304 82 49 18 2 13 72 13 3 2
2024 BOS 4 4 18.1 1-0 0 0 0 321 205 116 75 14 9 4 0 1 17 7 1 0
2025 BOS 62 0 72.0 7-3 0 1 24 1,180 807 373 293 54 44 8 0 2 91 24 5 3
2026 BOS 53 0 51.1 7-2 0 4 25 723 517 206 194 37 28 6 0 3 59 8 0 2
RP MLB Percentile 69 0 54 92-47 0 81 97 45 52 71 48 59 45 57 48 69 67 91 85 32
RP MLB AVG 41 2 51.0 3-3 0 3 7 853 546 308 219 46 31 9 1 6 50 21 3 2
Career 218 23 365.0 32-16 5 14 70 5,735 3,917 1,818 1,475 316 214 64 3 35 402 84 13 12

Garrett Whitlock 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 BOS 27.2% 5.7% .233 .349 .631 .272 .304 .325 .219 .263 .288 .332 87.7 88.1 7.5 3.03
2022 BOS 26.4% 4.8% .222 .379 .639 .278 .271 .305 .230 .286 .284 .366 88.8 88.3 15.3 3.31
2023 BOS 23.7% 4.3% .288 .502 .825 .350 .342 .381 .272 .334 .319 .417 89.6 91.0 11.6 4.81
2024 BOS 22.7% 9.3% .212 .318 .615 .278 .271 .286 .224 .288 .291 .316 87.8 80.8 11.2 3.36
2025 BOS 31.1% 8.2% .206 .260 .543 .246 .304 .312 .197 .263 .274 .333 88.5 89.1 11.1 2.89
2026 BOS 30.4% 4.1% .202 .284 .517 .229 .276 .294 .206 .243 .279 .326 87.3 84.9 16.2 2.41
RP MLB Percentile 92 99 83 89 96 97 63 72 81 97 50 73 57 93 29 97
RP MLB AVG 22.6% 9.8% .241 .390 .714 .315 .291 .322 .235 .315 .280 .359 87.7 89.2 13.1 4.20
Career 27.3% 5.7% .232 .360 .641 .282 .300 .325 .227 .284 .290 .361 88.5 88.2 12.1 3.34

Garrett Whitlock 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 BOS10.3% (96.3)52.6% (95.8)-16.4% (83.7)--20.5% (83.1)-- 62.9% 37.0%
2022 BOS3.3% (95.2)58.9% (95.3)-18.0% (83.2)--19.8% (84.6)-- 62.2% 37.8%
2023 BOS0.7% (94.9)52.2% (94.0)-5.1% (79.6)17.8% (79.6)-24.1% (82.7)-- 52.9% 47.0%
2024 BOS-22.7% (93.4)19.3% (86.6)14.6% (83.9)15.0% (80.8)-28.4% (84.4)-- 22.7% 77.3%
2025 BOS-47.1% (95.8)-27.2% (84.9)4.8% (82.7)-20.9% (84.3)-- 47.1% 52.9%
2026 BOS-55.9% (95.0)-26.6% (86.1)--17.4% (84.4)-- 55.9% 44.0%
RP MLB Percentile - 93 (62) - 57 (44) - - 56 (25) - - 72.0% 27.7%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.7% (89.4) 25.8% (86.1) 21.0% (82.4) 15.5% (80.3) 17.5% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career2.9% (96.0)51.4% (95.1)1.1% (86.6)17.8% (84.2)5.5% (80.3)-21.2% (83.8)-- 54.3% 45.6%

Garrett Whitlock Pitch › Results

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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 BOS30.5% (24)33.1% (69)-36.0% (31)--23.7% (36)-- 32.6% 29.2%
2022 BOS26.3% (4)33.3% (87)-38.1% (49)--22.9% (37)-- 33.0% 30.2%
2023 BOS0.0% (0)31.1% (58)-44.3% (17)35.2% (44)-27.8% (54)-- 30.7% 32.4%
2024 BOS-35.6% (4)25.8% (6)21.3% (3)25.0% (2)-20.9% (10)-- 35.6% 23.0%
2025 BOS-34.0% (91)-35.8% (64)33.3% (5)-26.0% (45)-- 34.0% 31.7%
2026 BOS-29.0% (55)-43.2% (52)--27.8% (27)-- 29.0% 37.1%
RP MLB Percentile - 58 (2) - 97 (15) - - 75 (25) - - 62.6% 96.3%
RP MLB AVG 27.1% (31) 27.4% (13) 26.8% (14) 29.6% (27) 28.4% (19) 27.2% (15) 22.3% (20) 22.5% (20) 19.3% (9) 27.9% 28.8%
Career28.0% (28)32.4% (364)25.8% (6)37.5% (216)33.3% (51)-25.2% (209)-- 32.2% 31.0%

Garrett Whitlock Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2021 BOS 52.3% 22.3% 17.8% 7.6% 35.0% 32.5% 32.5% 35.0% 19.3% 62.5% 25.9% 8.1% 3.6% 37.6%
2022 BOS 42.9% 21.2% 23.6% 12.3% 35.8% 36.6% 32.4% 31.0% 17.8% 61.8% 23.6% 6.6% 8.0% 38.0%
2023 BOS 46.3% 23.6% 22.7% 7.4% 38.0% 43.5% 30.1% 26.4% 18.7% 58.8% 25.0% 6.9% 9.3% 41.2%
2024 BOS 36.7% 34.7% 20.4% 8.2% 44.9% 46.0% 24.0% 30.0% 22.4% 57.1% 30.6% 6.1% 6.1% 42.0%
2025 BOS 48.0% 21.4% 23.7% 6.9% 38.7% 34.7% 32.4% 32.9% 20.9% 65.9% 22.0% 4.0% 8.1% 34.1%
2026 BOS 42.1% 19.0% 23.8% 15.1% 31.7% 39.4% 31.5% 29.1% 21.3% 63.6% 27.8% 5.6% 3.2% 36.2%
RP MLB Percentile 42 73 45 87 68 39 29 78 91 54 20 48 93 53
RP MLB AVG 44.0% 21.7% 24.2% 10.1% 34.7% 41.0% 33.6% 25.4% 18.2% 62.9% 24.6% 5.8% 6.8% 36.8%
Career 46.0% 22.4% 22.1% 9.5% 36.6% 37.8% 31.4% 30.8% 19.6% 62.0% 25.0% 6.4% 6.7% 37.9%

Garrett Whitlock 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 BOS .233 .272 .304 .325 .219 .263 .288 .332 87.7 88.1 7.5 17.1% 37.6% 24.8%
2022 BOS .222 .278 .271 .305 .230 .286 .284 .366 88.8 88.3 15.3 20.0% 38.0% 26.0%
2023 BOS .288 .350 .342 .381 .272 .334 .319 .417 89.6 91.0 11.6 26.5% 41.2% 29.3%
2024 BOS .212 .278 .271 .286 .224 .288 .291 .316 87.8 80.8 11.2 10.0% 42.0% 28.0%
2025 BOS .206 .246 .304 .312 .197 .263 .274 .333 88.5 89.1 11.1 4.9% 34.1% 20.1%
2026 BOS .202 .229 .276 .294 .206 .243 .279 .326 87.3 84.9 16.2 10.0% 36.2% 23.7%
RP MLB Percentile 83 97 63 72 81 97 50 73 57 93 29 83 53 57
RP MLB AVG .241 .315 .291 .322 .235 .315 .280 .359 87.7 89.2 13.1 17.7% 36.8% 24.4%
Career .232 .282 .300 .325 .227 .284 .290 .361 88.5 88.2 12.1 16.3% 37.9% 25.1%

Garrett Whitlock 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 BOS 50.5% 67.8% 50.3% 31.6% 27.6% 19.3% 72.4% 78.1% 59.4% 17.5% 13.9% 31.4% 17.1% 62.3% 0.64 55.0%
2022 BOS 51.0% 68.0% 51.3% 31.2% 29.6% 17.8% 70.4% 78.1% 52.2% 16.7% 15.2% 31.9% 18.3% 62.4% 0.63 54.1%
2023 BOS 49.1% 68.2% 51.2% 34.9% 28.3% 18.7% 71.7% 84.0% 48.6% 17.0% 14.5% 31.5% 18.1% 61.3% 0.63 53.3%
2024 BOS 46.4% 63.9% 45.8% 30.2% 17.0% 22.4% 83.0% 92.6% 65.4% 18.1% 7.8% 25.9% 15.6% 59.5% 0.48 50.8%
2025 BOS 47.0% 68.4% 53.0% 37.6% 32.8% 20.9% 67.2% 77.2% 50.6% 15.4% 17.4% 32.8% 14.7% 63.8% 0.73 58.4%
2026 BOS 44.3% 71.5% 57.4% 46.2% 32.3% 21.3% 67.7% 82.5% 49.5% 14.1% 18.5% 32.6% 17.6% 66.4% 0.73 58.8%
RP MLB Percentile 46 99 100 100 91 91 91 66 88 14 97 91 60 99 97 98
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.2% 74.4% 84.0% 58.5% 16.4% 12.1% 28.5% 17.1% 58.4% 0.50 51.2%
Career 48.6% 68.3% 51.9% 35.4% 29.4% 19.6% 70.6% 80.4% 52.5% 16.4% 15.2% 31.6% 17.0% 62.8% 0.66 55.4%

Garrett Whitlock Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2021 BOS 50.5% 30.1% 27.1% 42.8% 32.9% 28.7% 38.3% 26.3% 46.6% 7.4%
2022 BOS 51.0% 29.4% 27.6% 43.0% 28.7% 26.9% 44.3% 27.9% 44.5% 6.8%
2023 BOS 49.1% 27.6% 27.3% 45.1% 22.2% 27.1% 50.8% 32.8% 39.9% 8.5%
2024 BOS 46.4% 22.1% 32.1% 45.8% 23.7% 24.3% 52.0% 34.0% 34.0% 7.2%
2025 BOS 47.0% 25.3% 28.7% 45.9% 28.6% 23.7% 47.7% 31.5% 39.7% 6.5%
2026 BOS 44.3% 21.9% 31.7% 46.4% 40.3% 20.2% 39.5% 31.6% 36.7% 6.4%
RP MLB Percentile 46 2 7 90 72 83 43 65 11 43
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 48.6% 27.0% 28.4% 44.6% 29.3% 25.7% 45.0% 30.2% 41.4% 7.2%

Garrett Whitlock 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 BOS 59.0% 9.6% 32.3% 14.3% 64.4% 51.3% 23.7% 24.0% 21.8%
2022 BOS 58.7% 10.3% 31.0% 15.9% 65.9% 55.0% 22.8% 24.3% 22.4%
2023 BOS 59.0% 6.6% 34.4% 13.8% 69.7% 60.9% 24.3% 25.8% 17.5%
2024 BOS 54.2% 14.6% 31.2% 13.2% 60.0% 52.0% 21.3% 25.0% 17.0%
2025 BOS 56.9% 7.2% 36.6% 13.6% 69.2% 60.3% 21.2% 26.2% 21.1%
2026 BOS 59.1% 6.8% 34.2% 16.2% 68.0% 56.2% 19.4% 34.4% 23.9%
RP MLB Percentile 57 99 94 75 93 92 27 96 88
RP MLB AVG 58.6% 12.1% 29.9% 14.5% 61.1% 50.3% 21.2% 26.8% 19.3%
Career 58.2% 8.5% 33.5% 14.6% 67.0% 56.5% 22.5% 26.3% 20.9%

Garrett Whitlock PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2021 BOS 1,150 5.20 49.6% 17.3% 33.1% 16.6% 5.0% -0.2 +3 2.78
2022 BOS 1,166 5.12 47.8% 19.2% 33.0% 14.8% 5.8% -1.6 +2 2.67
2023 BOS 1,195 5.04 45.3% 19.7% 35.1% 10.2% 7.8% 21.8 +19 3.38
2024 BOS 321 5.18 47.0% 18.1% 34.9% 12.1% 6.5% 0.2 -4 2.92
2025 BOS 1,180 5.06 46.4% 18.7% 34.9% 11.4% 7.3% -6.5 -6 3.04
2026 BOS 723 5.09 46.2% 20.6% 33.2% 13.0% 6.8% -12.7 -3 2.52
RP MLB Percentile 45 83 52 90 84 84 8 94 65 95
RP MLB AVG 853 4.94 45.9% 17.4% 36.7% 9.2% 4.7% 0.7 0 3.50
Career 5,735 5.10 47.1% 18.9% 34.0% 13.1% 6.5% 1.0 +11 2.90
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