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Greg Weissert

#57 - Relief Pitcher

Boston Red Sox

Bats / Throws Right / Right
Date of Birth 2/4/1995 (31)
Height, Weight 6'2", 235 lb
Hometown Bay Shore, NY

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
1 60.2 3.26 1.24 23.5% 7.8%
141st 3
Sv
111th 52.0
IP
95th 4.19
ERA
119th 1.34
WHIP
148th 22.7%
K%
104th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.0 11.7% 28.1% 54.7% 6.8% 5.01 3.21
183rd 94.7
FB MPH
183rd 12.2%
SwStr%
191st 28.5%
CSW%
49th 51.2%
Str-ICR
320th 4.7%
MTK%
111th 4.94
PLV
116th 3.56
PLA
Holds List
Rank
136th
Saves+Holds List
Rank
164th

Articles

9/19/2026Fantasy Baseball Relief Pitcher Roundup: 9/18Rick Graham

9/17/2026Fantasy Baseball Relief Pitcher Roundup: 9/16Rick Graham

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

9/12/2026Fantasy Baseball Relief Pitcher Roundup: 9/11Rick Graham

9/9/2026Fantasy Baseball Relief Pitcher Roundup: 9/8Rick Graham

See More Articles
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Greg Weissert Overview

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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
2022 NYY 12 0 11.1 3-0 0 2 5.56 0.97 2.95 4.19 4.88 3.25 22.9% 10.4% 4.8 0.79 .172 11.1% 51.7% 26.7% 34.5% 8.1% 28.0% 0.45 5.00
2023 NYY 17 0 20.0 0-0 0 2 4.05 1.45 4.38 4.36 4.19 3.84 25.3% 9.2% 9.5 1.35 .346 21.4% 81.4% 39.3% 50.0% 12.1% 30.5% 0.52 4.94
2024 BOS 62 0 63.1 4-2 1 6 3.13 1.34 3.62 3.72 4.28 2.93 22.1% 7.6% 9.2 0.99 .328 13.2% 70.5% 35.1% 43.8% 9.8% 28.3% 0.54 5.12
2025 BOS 72 0 67.0 6-6 4 17 2.82 1.16 3.68 3.67 4.66 3.38 20.5% 7.6% 7.7 0.81 .268 10.2% 74.4% 32.5% 43.4% 10.6% 27.8% 0.47 4.92
2026 BOS 63 0 60.2 4-2 1 8 3.26 1.24 3.29 3.98 4.20 3.21 23.5% 7.8% 8.2 1.19 .288 16.3% 82.3% 32.2% 43.9% 11.7% 28.1% 0.53 5.01
RP MLB Percentile 81 0 67 65-49 37 61 73 64 81 54 52 66 57 69 46 40 50 51 91 83 49 46 45 61 66
RP MLB AVG 42 2 52.0 3-3 3 7 4.19 1.34 4.16 4.17 4.24 3.56 22.7% 9.8% 8.3 1.08 .291 17.6% 72.5% 36.8% 44.0% 12.2% 28.5% 0.50 4.94
Career 226 0 222.1 17-10 6 35 3.28 1.25 3.58 3.86 4.39 3.24 22.3% 7.9% 8.3 1.01 .293 13.6% 75.0% 33.5% 43.8% 10.7% 28.3% 0.51 5.01

Greg Weissert Repertoire

2022 2023 2024 2025 2026 All
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Greg Weissert Game Log

Greg Weissert 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
2022 NYY 12 0 11.1 3-0 0 0 2 186 113 73 48 6 4 1 0 1 11 5 2 0
2023 NYY 17 0 20.0 0-0 0 0 2 347 214 133 87 21 16 2 0 3 22 8 1 1
2024 BOS 62 0 63.1 4-2 0 1 6 1,030 688 342 263 65 49 9 0 7 58 20 0 2
2025 BOS 72 0 67.0 6-6 0 4 17 1,069 684 385 278 57 37 14 0 6 57 21 3 1
2026 BOS 63 0 60.2 4-2 0 1 8 991 652 339 255 55 37 10 0 8 60 20 3 0
RP MLB Percentile 81 0 67 65-49 0 37 61 65 69 39 65 26 26 29 50 21 65 45 30 78
RP MLB AVG 42 2 52.0 3-3 0 3 7 884 565 319 227 48 32 9 1 6 52 21 3 2
Career 226 0 222.1 17-10 0 6 35 3,623 2,351 1,272 931 204 143 36 0 25 208 74 9 4

Greg Weissert Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2022 NYY 22.9% 10.4% .146 .244 .515 .245 .172 .200 .159 .274 .179 .276 83.9 84.8 16.8 2.95
2023 NYY 25.3% 9.2% .273 .416 .765 .336 .346 .382 .242 .319 .304 .378 90.3 93.5 9.8 4.38
2024 BOS 22.1% 7.6% .274 .401 .725 .310 .328 .353 .252 .289 .301 .343 88.1 87.7 12.1 3.62
2025 BOS 20.5% 7.6% .227 .355 .647 .284 .268 .291 .233 .299 .270 .339 89.4 90.4 13.1 3.68
2026 BOS 23.5% 7.8% .240 .389 .696 .304 .288 .322 .217 .280 .260 .327 86.2 87.8 11.4 3.29
RP MLB Percentile 57 69 47 47 55 59 50 48 72 81 75 72 76 74 62 81
RP MLB AVG 22.7% 9.8% .241 .389 .712 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 4.16
Career 22.3% 7.9% .244 .377 .687 .302 .293 .321 .231 .294 .275 .340 88.0 88.9 12.2 3.58

Greg Weissert 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%
2022 NYY13.4% (94.3)39.8% (94.9)-36.6% (81.8)--10.2% (85.2)-- 53.2% 46.8%
2023 NYY24.8% (94.3)34.9% (94.1)6.6% (91.3)-27.4% (80.4)-6.1% (84.5)-- 59.7% 40.1%
2024 BOS22.8% (93.9)33.5% (93.7)-5.1% (85.7)29.7% (80.0)-8.9% (84.6)-- 56.3% 43.7%
2025 BOS33.3% (94.1)28.0% (93.8)-16.1% (85.6)9.0% (81.4)4.0% (81.1)9.6% (86.0)-- 61.3% 38.7%
2026 BOS29.5% (94.1)34.5% (94.0)-8.2% (85.5)12.5% (82.0)2.2% (81.8)13.1% (85.2)-- 64.0% 36.0%
RP MLB Percentile 29 (37) 73 (46) - 8 (33) 32 (41) 5 (61) 39 (32) - - 88.3% 11.7%
RP MLB AVG 38.7% (94.7) 26.6% (94.1) 19.7% (89.4) 25.8% (86.1) 20.7% (82.3) 15.3% (80.3) 17.7% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career27.4% (94.1)32.6% (93.9)0.6% (91.3)10.3% (84.9)17.1% (80.7)1.8% (81.3)10.1% (85.2)-- 60.0% 39.9%

Greg Weissert 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%
2022 NYY24.0% (2)33.8% (4)-29.4% (8)--5.3% (1)-- 31.3% 24.1%
2023 NYY32.6% (21)31.4% (6)30.4% (3)-29.5% (7)-23.8% (5)-- 31.9% 28.8%
2024 BOS25.1% (29)32.8% (17)-17.3% (2)30.1% (37)-20.7% (16)-- 29.7% 26.7%
2025 BOS26.1% (48)33.4% (17)-31.4% (20)21.9% (7)16.3% (6)21.4% (15)-- 29.5% 25.1%
2026 BOS25.0% (41)31.3% (19)-28.4% (3)29.8% (19)4.5% (0)28.5% (34)-- 28.4% 27.5%
RP MLB Percentile 31 (26) 76 (21) - 39 (88) 55 (34) 3 (90) 79 (21) - - 58.0% 37.4%
RP MLB AVG 27.2% (32) 27.6% (13) 27.0% (15) 29.7% (28) 28.5% (20) 27.4% (15) 22.4% (21) 22.6% (21) 19.3% (9) 27.9% 28.8%
Career26.1% (141)32.4% (63)30.4% (3)28.4% (33)28.7% (70)12.3% (6)23.0% (71)-- 29.5% 26.5%

Greg Weissert 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%
2022 NYY 34.5% 24.1% 31.0% 10.3% 34.5% 33.3% 33.3% 33.3% 16.7% 72.4% 13.8% 10.3% 3.4% 26.7%
2023 NYY 50.0% 21.4% 25.0% 3.6% 28.6% 33.9% 41.1% 25.0% 15.0% 60.6% 28.6% 3.6% 7.1% 39.3%
2024 BOS 43.8% 20.0% 28.6% 7.6% 34.6% 32.4% 42.2% 25.4% 20.5% 64.8% 24.9% 4.9% 5.4% 35.1%
2025 BOS 43.4% 18.4% 30.1% 8.2% 38.3% 38.6% 38.1% 23.4% 17.8% 67.4% 19.9% 5.6% 7.1% 32.5%
2026 BOS 43.9% 18.7% 28.7% 8.8% 32.7% 38.0% 38.6% 23.4% 20.5% 67.8% 21.6% 5.3% 5.3% 32.2%
RP MLB Percentile 49 75 82 42 62 28 87 34 84 85 77 54 70 83
RP MLB AVG 44.0% 21.7% 24.1% 10.2% 34.6% 40.9% 33.7% 25.4% 18.1% 63.0% 24.5% 5.8% 6.8% 36.8%
Career 43.8% 19.5% 28.9% 7.8% 34.7% 36.0% 39.4% 24.6% 19.0% 66.3% 22.3% 5.3% 6.0% 33.5%

Greg Weissert 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%
2022 NYY .146 .245 .172 .200 .159 .274 .179 .276 83.9 84.8 16.8 11.1% 26.7% 16.7%
2023 NYY .273 .336 .346 .382 .242 .319 .304 .378 90.3 93.5 9.8 21.4% 39.3% 25.3%
2024 BOS .274 .310 .328 .353 .252 .289 .301 .343 88.1 87.7 12.1 13.2% 35.1% 24.7%
2025 BOS .227 .284 .268 .291 .233 .299 .270 .339 89.4 90.4 13.1 10.2% 32.5% 23.0%
2026 BOS .240 .304 .288 .322 .217 .280 .260 .327 86.2 87.8 11.4 16.3% 32.2% 21.6%
RP MLB Percentile 47 59 50 48 72 81 75 72 76 74 62 51 83 76
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .244 .302 .293 .321 .231 .294 .275 .340 88.0 88.9 12.2 13.6% 33.5% 23.0%

Greg Weissert 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
2022 NYY 42.5% 60.8% 40.9% 25.2% 19.7% 16.7% 80.3% 91.8% 59.3% 19.9% 8.1% 28.0% 16.1% 57.5% 0.45 52.2%
2023 NYY 47.3% 61.7% 43.2% 21.9% 28.0% 15.0% 72.0% 76.4% 60.0% 18.4% 12.1% 30.5% 16.1% 55.6% 0.52 49.0%
2024 BOS 50.0% 66.8% 48.3% 31.5% 20.3% 20.5% 79.7% 85.4% 67.9% 18.5% 9.8% 28.3% 18.0% 60.5% 0.54 54.2%
2025 BOS 48.0% 64.0% 46.8% 27.0% 22.6% 17.8% 77.4% 82.9% 64.7% 17.2% 10.6% 27.8% 18.4% 58.7% 0.47 52.0%
2026 BOS 46.3% 65.8% 49.4% 34.8% 23.7% 20.5% 76.3% 85.2% 61.6% 16.3% 11.7% 28.1% 17.3% 60.2% 0.53 54.7%
RP MLB Percentile 73 76 72 77 39 84 39 43 35 47 46 45 53 77 61 86
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.1% 74.4% 83.9% 58.5% 16.4% 12.2% 28.5% 17.1% 58.3% 0.50 51.2%
Career 47.8% 64.9% 47.3% 29.8% 22.6% 19.0% 77.4% 84.0% 64.0% 17.6% 10.7% 28.3% 17.6% 59.3% 0.51 53.1%

Greg Weissert Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2022 NYY 42.5% 52.7% 23.1% 24.2% 20.4% 31.2% 48.4% 28.5% 48.4% 5.9%
2023 NYY 47.3% 44.8% 24.9% 30.3% 23.7% 28.0% 48.3% 31.5% 43.6% 7.8%
2024 BOS 50.0% 40.4% 27.1% 32.5% 18.2% 28.3% 53.5% 32.0% 40.9% 8.0%
2025 BOS 48.0% 39.9% 23.7% 36.4% 22.0% 26.4% 51.6% 34.9% 41.4% 6.0%
2026 BOS 46.3% 43.5% 25.3% 31.2% 35.7% 23.9% 40.4% 31.3% 43.4% 6.2%
RP MLB Percentile 73 93 68 12 46 34 47 63 50 34
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 47.8% 42.2% 25.2% 32.7% 24.7% 26.7% 48.6% 32.4% 42.4% 6.8%

Greg Weissert Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2022 NYY 60.2% 11.3% 29.0% 16.1% 50.0% 41.7% 22.3% 20.4% 20.4%
2023 NYY 57.6% 16.4% 26.5% 10.0% 59.8% 52.9% 24.0% 23.9% 23.9%
2024 BOS 58.8% 12.1% 30.6% 14.7% 55.5% 47.5% 23.8% 22.9% 18.4%
2025 BOS 60.2% 13.8% 26.4% 13.8% 55.9% 48.4% 21.1% 24.5% 20.2%
2026 BOS 58.2% 9.5% 33.0% 13.2% 68.2% 56.9% 22.5% 22.6% 18.3%
RP MLB Percentile 43 90 88 28 93 94 65 16 38
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.7% 19.3%
Career 59.0% 12.3% 29.5% 13.7% 59.2% 50.5% 22.6% 23.2% 19.4%

Greg Weissert PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2022 NYY 186 5.00 52.7% 11.3% 36.0% 16.7% 1.6% -2.1 -1 3.25
2023 NYY 347 4.94 46.4% 15.9% 37.8% 8.6% 5.5% 2.2 +3 3.84
2024 BOS 1,030 5.12 47.7% 18.9% 33.4% 14.3% 6.8% 11.6 +13 2.93
2025 BOS 1,069 4.92 42.8% 19.4% 37.9% 4.9% 6.9% -1.2 +0 3.38
2026 BOS 991 5.01 46.6% 18.4% 35.0% 11.6% 6.8% 1.0 -6 3.21
RP MLB Percentile 65 66 57 66 71 71 7 46 77 66
RP MLB AVG 884 4.94 45.8% 17.4% 36.8% 9.1% 4.7% 0.6 -1 3.56
Career 3,623 5.01 46.1% 18.2% 35.7% 10.4% 6.4% 11.6 +9 3.24
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