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John Brebbia

Relief Pitcher

Boston Red Sox

Bats / Throws Left / Right
Date of Birth 5/30/1990 (36)
Height, Weight 6'1", 219 lb
Hometown Boston, MA

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 4.1 10.38 1.62 9.5% 0.0%
202nd 2
Sv
351st 39.0
IP
350th 4.27
ERA
297th 1.35
WHIP
345th 22.5%
K%
1st 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
92.3 9.6% 25.5% 57.4% 10.6% 5.12 3.73
302nd 94.7
FB MPH
283rd 12.2%
SwStr%
294th 28.5%
CSW%
18th 51.0%
Str-ICR
350th 4.7%
MTK%
39th 4.94
PLV
213th 3.54
PLA

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John Brebbia 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
2017 STL 50 0 51.2 0-0 0 - 2.44 0.93 - 4.14 - - 24.4% 5.3% 6.4 1.39 .218 - 90.9% - - - - - -
2018 STL 45 0 50.2 3-3 2 5 3.20 1.16 - 3.02 - 0.00 28.7% 7.7% 7.6 0.89 .299 - 78.8% - - 13.6% 33.5% 0.67 -
2019 STL 66 0 72.2 3-4 0 12 3.59 1.18 - 3.13 - 0.00 28.6% 8.9% 7.3 0.74 .293 - 72.0% - - 15.0% 31.0% 0.65 -
2021 SF 18 0 18.1 0-1 0 1 5.89 1.58 5.06 4.61 3.96 3.41 25.3% 4.6% 12.3 1.96 .389 26.7% 70.9% 44.1% 33.9% 12.7% 28.6% 0.63 5.17
2022 SF 76 11 68.0 6-2 0 18 3.18 1.31 3.67 3.32 4.38 2.83 18.8% 6.3% 9.4 0.66 .317 8.3% 75.9% 37.7% 38.8% 12.3% 27.2% 0.49 5.14
2023 SF 40 10 38.1 3-5 0 7 3.99 1.17 2.85 3.94 4.43 3.14 29.2% 8.7% 7.3 1.41 .266 15.8% 65.6% 38.0% 32.0% 13.0% 29.6% 0.58 5.18
2024 ATL/CHW 59 0 55.1 0-6 2 14 5.86 1.36 4.54 4.53 3.88 3.32 27.7% 7.9% 9.1 1.79 .317 24.4% 67.1% 45.8% 29.6% 12.6% 28.7% 0.58 5.10
2025 DET/ATL 22 0 23.1 1-1 0 2 7.71 1.71 5.18 5.78 5.18 4.01 22.6% 10.4% 10.8 1.93 .343 23.8% 56.8% 40.3% 34.7% 9.2% 26.8% 0.52 4.96
2026 COL 3 0 4.1 0-0 0 0 10.38 1.62 8.90 8.46 5.66 3.73 9.5% 0.0% 14.5 4.15 .294 33.3% 47.6% 36.8% 31.6% 9.6% 25.5% 0.55 5.12
RP MLB Percentile 0 0 0 0-79 0 0 0 15 1 1 9 38 1 100 1 0 46 4 0 50 10 19 15 69 86
RP MLB AVG 31 2 39.0 2-2 2 5 4.27 1.35 4.27 4.30 4.32 3.54 22.5% 9.8% 8.3 1.15 .289 18.0% 72.6% 37.0% 43.7% 12.2% 28.5% 0.50 4.94
Career 379 21 382.2 16-22 4 59 4.12 1.25 4.15 3.85 4.33 1.53 25.4% 7.4% 8.4 1.22 .298 23.8% 72.5% 26.8% 34.3% 12.9% 29.5% 0.59 5.12

John Brebbia Repertoire

2018 2019 2021 2022 2023 2024 2025 2026 All
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John Brebbia Game Log

John Brebbia 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
2017 STL 50 0 51.2 0-0 0 0 - 793 535 258 209 37 17 11 1 8 51 11 5 2
2018 STL 45 0 50.2 3-3 0 2 5 833 549 284 209 43 28 9 1 5 60 16 0 1
2019 STL 66 0 72.2 3-4 0 0 12 1,217 815 402 304 59 40 12 1 6 87 27 3 0
2021 SF 18 0 18.1 0-1 0 0 1 332 234 98 87 25 14 7 0 4 22 4 2 0
2022 SF 76 11 68.0 6-2 0 0 18 1,091 733 358 288 71 43 20 3 5 54 18 1 0
2023 SF 40 10 38.1 3-5 0 0 7 675 433 242 161 31 17 7 1 6 47 14 0 0
2024 ATL/CHW 59 0 55.1 0-6 0 2 14 994 654 340 242 56 34 11 0 11 67 19 3 1
2025 DET/ATL 22 0 23.1 1-1 0 0 2 459 297 162 115 28 16 7 0 5 26 12 4 2
2026 COL 3 0 4.1 0-0 0 0 0 94 68 26 21 7 4 1 0 2 2 0 0 0
RP MLB Percentile 0 0 0 0-79 0 0 0 0 0 100 0 99 99 94 42 72 0 100 78 70
RP MLB AVG 31 2 39.0 2-2 0 2 5 660 421 239 169 36 24 7 1 5 38 16 2 2
Career 379 21 382.2 16-22 0 4 59 6,488 4,318 2,170 1,636 357 213 85 7 52 416 121 18 6

John Brebbia 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
2017 STL 24.4% 5.3% .193 .385 .640 .268 .218 .262 - - - - - - - -
2018 STL 28.7% 7.7% .226 .363 .647 .278 .299 .326 - - - - - - - -
2019 STL 28.6% 8.9% .216 .333 .626 .271 .293 .316 - - - - - - - -
2021 SF 25.3% 4.6% .316 .557 .917 .379 .389 .431 .272 .335 .333 .430 88.9 86.6 18.2 5.06
2022 SF 18.8% 6.3% .268 .423 .738 .317 .317 .333 .235 .298 .262 .340 87.4 90.8 16.6 3.67
2023 SF 29.2% 8.7% .215 .403 .683 .287 .266 .310 .175 .252 .203 .317 90.7 91.1 21.3 2.85
2024 ATL/CHW 27.7% 7.9% .255 .455 .777 .337 .317 .366 .245 .332 .306 .425 89.5 89.9 19.9 4.54
2025 DET/ATL 22.6% 10.4% .289 .515 .901 .388 .343 .389 .245 .356 .284 .409 90.1 90.7 21.5 5.18
2026 COL 9.5% 0.0% .333 .667 1.000 .424 .294 .368 .349 .467 .300 .517 89.5 95.6 22.2 8.90
RP MLB Percentile 1 100 3 1 2 3 46 17 1 1 29 0 21 2 6 1
RP MLB AVG 22.5% 9.8% .241 .393 .717 .316 .289 .320 .236 .317 .280 .360 87.7 89.2 13.2 4.27
Career 25.4% 7.4% .241 .413 .717 .312 .298 .332 .199 .288 .272 .383 89.0 90.4 19.1 4.15

John Brebbia Pitch › Mix

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2018 STL17.2% (94.7)--16.0% (83.3)--0.5% (89.3)-- 17.2% 16.4%
2019 STL27.4% (93.3)--20.2% (83.6)--0.3% (87.5)-- 27.4% 20.5%
2021 SF49.1% (92.9)0.3% (94.7)-48.8% (81.4)-0.3% (79.2)1.5% (88.1)-- 49.4% 50.9%
2022 SF46.2% (94.4)--53.8% (84.0)----- 46.2% 53.8%
2023 SF45.8% (94.5)--53.9% (82.8)--0.3% (89.2)-- 45.8% 54.2%
2024 ATL/CHW47.5% (93.8)--51.8% (83.1)--0.3% (91.6)-- 47.5% 52.1%
2025 DET/ATL49.0% (92.6)--43.4% (84.0)-0.9% (73.9)6.8% (86.4)-- 49.0% 51.0%
2026 COL39.4% (92.3)--47.9% (84.4)5.3% (79.4)-7.5% (86.7)-- 39.4% 60.6%
RP MLB Percentile 53 (13) - - 92 (22) 6 (12) - 22 (49) - - 23.1% 77.2%
RP MLB AVG 37.7% (94.7) 26.2% (93.9) 20.3% (89.4) 25.6% (85.6) 21.4% (82.5) 16.2% (79.7) 17.1% (86.2) 17.9% (86.5) 32.3% (68.2) 48.2% 51.7%
Career38.4% (93.8)0.0% (94.7)-39.5% (83.3)0.1% (79.4)0.1% (74.9)1.0% (87.3)-- 38.4% 40.7%

John Brebbia 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%
2018 STL28.0% (24)--43.6% (25)--25.0% (0)-- 28.0% 43.1%
2019 STL29.1% (50)--35.4% (40)--25.0% (0)-- 29.1% 35.2%
2021 SF31.3% (26)100.0% (1)-25.9% (14)-0.0% (0)20.0% (1)-- 31.7% 25.6%
2022 SF29.0% (60)--25.7% (74)----- 29.0% 25.7%
2023 SF32.4% (44)--27.5% (44)--0.0% (0)-- 32.4% 27.3%
2024 ATL/CHW32.0% (62)--26.0% (63)--0.0% (0)-- 32.0% 25.9%
2025 DET/ATL29.8% (17)--27.1% (25)-25.0% (0)3.2% (0)-- 29.8% 23.9%
2026 COL27.0% (2)--22.2% (3)60.0% (3)-14.3% (1)-- 27.0% 24.6%
RP MLB Percentile 52 (2) - - 15 (78) 100 (75) - 16 (79) - - 41.6% 19.1%
RP MLB AVG 26.9% (24) 27.3% (9) 26.6% (12) 29.3% (20) 27.9% (15) 27.2% (10) 21.7% (15) 23.3% (17) 21.7% (8) 27.8% 28.8%
Career30.3% (285)100.0% (1)-28.3% (288)60.0% (3)20.0% (0)8.9% (2)-- 30.3% 27.8%

John Brebbia 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%
2018 STL - - - - - - - - 16.4% - - - - -
2019 STL - - - - - - - - 20.6% - - - - -
2021 SF 33.9% 30.5% 25.4% 10.2% 42.4% 28.8% 30.5% 40.7% 24.1% 55.9% 25.4% 13.6% 5.1% 44.1%
2022 SF 38.8% 20.6% 28.0% 13.1% 34.1% 39.3% 33.2% 27.6% 20.3% 62.6% 22.4% 9.8% 5.6% 37.7%
2023 SF 32.0% 21.0% 38.0% 9.0% 31.0% 36.0% 31.0% 33.0% 19.7% 62.0% 22.0% 6.0% 10.0% 38.0%
2024 ATL/CHW 29.6% 29.6% 29.6% 11.8% 41.4% 39.0% 39.0% 22.1% 21.7% 54.6% 30.3% 5.3% 10.5% 45.8%
2025 DET/ATL 34.7% 19.4% 29.2% 16.7% 31.9% 43.1% 31.9% 25.0% 22.2% 59.7% 19.4% 11.1% 9.7% 40.3%
2026 COL 31.6% 21.1% 31.6% 15.8% 47.4% 42.1% 31.6% 26.3% 26.6% 63.2% 15.8% 10.5% 10.5% 36.8%
RP MLB Percentile 10 56 89 89 3 55 34 57 100 52 98 6 13 50
RP MLB AVG 43.7% 21.7% 24.5% 10.2% 34.8% 41.0% 33.8% 25.2% 18.1% 62.8% 24.4% 5.8% 7.0% 37.0%
Career 34.3% 23.7% 30.0% 12.3% 36.4% 38.2% 33.8% 28.0% 20.5% 59.6% 24.0% 8.6% 8.1% 26.8%

John Brebbia 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%
2018 STL .226 .278 .299 .326 - - - - - - - - - -
2019 STL .216 .271 .293 .316 - - - - - - - - - -
2021 SF .316 .379 .389 .431 .272 .335 .333 .430 88.9 86.6 18.2 26.7% 44.1% 29.9%
2022 SF .268 .317 .317 .333 .235 .298 .262 .340 87.4 90.8 16.6 8.3% 37.7% 28.1%
2023 SF .215 .287 .266 .310 .175 .252 .203 .317 90.7 91.1 21.3 15.8% 38.0% 23.6%
2024 ATL/CHW .255 .337 .317 .366 .245 .332 .306 .425 89.5 89.9 19.9 24.4% 45.8% 28.9%
2025 DET/ATL .289 .388 .343 .389 .245 .356 .284 .409 90.1 90.7 21.5 23.8% 40.3% 25.2%
2026 COL .333 .424 .294 .368 .349 .467 .300 .517 89.5 95.6 22.2 33.3% 36.8% 33.3%
RP MLB Percentile 3 3 46 17 1 1 29 0 21 2 6 4 50 4
RP MLB AVG .241 .316 .289 .320 .236 .317 .280 .360 87.7 89.2 13.2 18.0% 37.0% 24.6%
Career .241 .312 .298 .332 .199 .288 .272 .383 89.0 90.4 19.1 23.8% 26.8% 17.6%

John Brebbia Approach › Plate Discipline

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2018 STL - 65.9% 46.0% - 29.5% 16.4% 70.5% - - 19.9% 13.6% 33.5% 16.0% 60.7% 0.67 -
2019 STL - 67.0% 50.9% - 29.4% 20.6% 70.6% - - 16.0% 15.0% 31.0% 15.4% 62.1% 0.65 -
2021 SF 50.6% 70.5% 54.5% 32.9% 23.2% 24.1% 76.8% 78.7% 72.2% 16.0% 12.7% 28.6% 17.8% 63.0% 0.63 54.8%
2022 SF 48.1% 67.2% 52.2% 32.0% 23.5% 20.3% 76.5% 82.3% 64.1% 14.9% 12.3% 27.2% 19.7% 60.7% 0.49 52.3%
2023 SF 46.5% 64.1% 47.6% 29.4% 27.4% 19.7% 72.6% 79.1% 59.4% 16.6% 13.0% 29.6% 14.8% 59.6% 0.58 52.9%
2024 ATL/CHW 45.2% 65.8% 49.7% 33.0% 25.3% 21.7% 74.7% 79.9% 65.6% 16.1% 12.6% 28.7% 15.4% 60.2% 0.58 51.7%
2025 DET/ATL 52.1% 64.7% 47.1% 23.6% 19.4% 22.2% 80.6% 83.5% 71.2% 17.6% 9.2% 26.8% 15.7% 58.6% 0.52 52.1%
2026 COL 59.6% 72.3% 56.4% 31.6% 17.0% 26.6% 83.0% 85.4% 75.0% 16.0% 9.6% 25.5% 20.2% 64.9% 0.55 57.4%
RP MLB Percentile 100 99 99 53 5 100 5 40 4 45 19 15 88 97 69 95
RP MLB AVG 44.5% 63.7% 47.4% 31.6% 25.6% 18.1% 74.4% 83.8% 58.6% 16.3% 12.2% 28.5% 17.1% 58.3% 0.50 51.0%
Career 30.7% 66.6% 49.8% 30.9% 25.9% 20.5% 74.1% 81.0% 65.3% 16.6% 12.9% 29.5% 16.5% 60.8% 0.59 57.6%

John Brebbia Approach › Locations

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2018 STL - - - - - - - - - -
2019 STL - - - - - - - - - -
2021 SF 50.6% 30.3% 27.3% 42.3% 36.3% 24.6% 39.0% 14.7% 58.0% 8.7%
2022 SF 48.1% 31.1% 26.2% 42.7% 37.6% 26.3% 36.1% 17.8% 56.0% 8.4%
2023 SF 46.5% 29.0% 27.7% 43.3% 31.7% 23.9% 44.4% 22.2% 50.1% 7.3%
2024 ATL/CHW 45.2% 33.3% 25.1% 41.6% 34.6% 23.0% 42.3% 19.8% 55.2% 5.8%
2025 DET/ATL 52.1% 38.1% 23.7% 38.1% 29.0% 27.0% 44.0% 21.1% 55.1% 7.2%
2026 COL 59.6% 54.3% 23.4% 22.3% 37.2% 28.7% 34.0% 22.3% 54.3% 7.4%
RP MLB Percentile 100 100 85 1 53 5 16 4 98 74
RP MLB AVG 44.5% 34.6% 26.9% 38.5% 36.4% 22.9% 40.7% 29.9% 43.2% 6.6%
Career 30.7% 32.7% 25.9% 41.4% 34.5% 25.0% 40.6% 19.4% 54.7% 7.3%

John Brebbia Approach › Counts

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2018 STL 57.6% 10.3% 32.3% 13.3% 70.7% 60.6% 26.7% - 22.3%
2019 STL 56.0% 9.8% 34.3% 12.9% 66.8% 57.5% 21.7% - 20.8%
2021 SF 59.9% 7.2% 35.2% 12.6% 71.3% 63.2% 22.6% 27.4% 18.8%
2022 SF 59.6% 8.2% 32.9% 18.2% 68.5% 55.4% 20.8% 27.0% 15.0%
2023 SF 55.6% 9.2% 36.3% 12.8% 67.7% 57.9% 23.7% 25.3% 19.2%
2024 ATL/CHW 54.0% 9.9% 36.2% 12.8% 67.5% 56.8% 22.3% 25.8% 18.6%
2025 DET/ATL 57.3% 9.8% 33.1% 11.4% 76.5% 67.8% 25.5% 23.0% 17.1%
2026 COL 55.3% 2.1% 42.6% 13.5% 81.0% 71.4% 28.8% 22.5% 5.0%
RP MLB Percentile 10 100 100 32 100 100 99 16 0
RP MLB AVG 58.5% 12.2% 29.8% 14.5% 60.8% 50.0% 21.1% 26.7% 19.2%
Career 56.9% 9.2% 34.4% 13.9% 69.2% 58.8% 23.1% 16.7% 18.6%

John Brebbia PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2018 STL 833 - - - - - - - - 0.00
2019 STL 1,217 - - - - - - - - 0.00
2021 SF 332 5.17 50.0% 21.1% 28.9% 21.1% 5.1% 10.0 +10 3.41
2022 SF 1,091 5.14 50.7% 17.1% 32.2% 18.5% 4.6% 15.6 +25 2.83
2023 SF 675 5.18 46.1% 21.5% 32.4% 13.6% 4.1% 2.3 -1 3.14
2024 ATL/CHW 994 5.10 48.7% 18.6% 32.7% 16.0% 3.6% 13.1 +12 3.32
2025 DET/ATL 459 4.96 45.1% 19.2% 35.7% 9.4% 7.2% 11.4 +6 4.01
2026 COL 94 5.12 44.7% 17.0% 38.3% 6.4% 10.6% 3.0 +1 3.73
RP MLB Percentile 0 86 32 42 31 31 0 38 42 38
RP MLB AVG 660 4.94 45.9% 17.4% 36.7% 9.2% 4.7% 0.7 0 3.54
Career 6,488 5.12 48.4% 19.0% 32.7% 15.7% 4.8% 55.3 +52 1.53
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