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Tom Cosgrove

#34 - Relief Pitcher

Washington Nationals

Bats / Throws Left / Left
Date of Birth 6/14/1996 (30)
Height, Weight 6'2", 190 lb
Hometown Staten Island, NY

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
1 4.2 0.00 0.86 23.5% 5.9%
98th 2
Sv
352nd 35.0
IP
1st 4.29
ERA
16th 1.36
WHIP
147th 22.4%
K%
34th 10.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
87.8 8.3% 31.7% 65.0% 3.3% 4.94 2.70
346th 94.5
FB MPH
321st 12.1%
SwStr%
53rd 28.5%
CSW%
1st 50.8%
Str-ICR
69th 4.6%
MTK%
171st 4.93
PLV
36th 3.50
PLA
Holds List
Rank
108th

Articles

7/22/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 7/21Rick Graham

7/21/2026Fantasy Baseball Relief Pitcher Roundup: 7/20Rick Graham

7/20/2026Fantasy Baseball Relief Pitcher Roundup: 7/19Rick Graham

7/12/2026Fantasy Baseball Relief Pitcher Roundup: 7/11Rick Graham

7/11/2026Fantasy Baseball Relief Pitcher Roundup: 7/10Rick Graham

See More Articles
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Tom Cosgrove 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
2023 SD 54 0 51.1 1-2 1 7 1.75 0.97 2.46 3.71 5.14 3.55 21.5% 9.3% 5.4 0.53 .211 6.8% 84.6% 24.1% 37.8% 11.5% 30.1% 0.57 4.96
2024 SD 18 0 14.2 0-1 0 2 11.66 1.98 6.83 5.91 5.18 4.40 19.7% 7.9% 14.1 1.84 .426 25.0% 48.6% 38.0% 46.0% 8.4% 27.2% 0.50 5.00
2025 CHC 2 0 4.0 0-0 0 0 2.25 1.00 0.76 2.39 3.00 3.79 18.8% 6.3% 6.8 0.00 .250 0.0% 75.0% 25.0% 58.3% 10.9% 21.9% 0.41 4.75
2026 WSH 4 0 4.2 0-0 1 2 0.00 0.86 1.86 1.91 3.08 2.70 23.5% 5.9% 5.8 0.00 .250 0.0% 100.0% 16.7% 41.7% 8.3% 31.7% 0.67 4.94
RP MLB Percentile 1 0 0 0-75 46 39 100 95 99 98 92 90 58 90 89 96 75 96 99 99 40 8 84 93 49
RP MLB AVG 27 1 35.0 2-2 2 5 4.29 1.36 4.30 4.34 4.38 3.50 22.4% 10.0% 8.3 1.16 .289 18.3% 72.6% 37.1% 43.6% 12.1% 28.5% 0.50 4.93
Career 78 0 74.2 1-3 2 11 3.62 1.17 3.19 3.95 4.88 3.68 21.0% 8.6% 7.2 0.72 .265 10.2% 73.1% 27.0% 41.1% 10.5% 29.0% 0.55 4.96

Tom Cosgrove Repertoire

2023 2024 2025 2026 All
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Tom Cosgrove Game Log

Tom Cosgrove 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
2023 SD 54 0 51.1 1-2 0 1 7 837 542 295 205 31 25 2 1 3 44 19 5 1
2024 SD 18 0 14.2 0-1 0 0 2 323 203 119 76 23 18 2 0 3 15 6 4 0
2025 CHC 2 0 4.0 0-0 0 0 0 64 43 21 16 3 3 0 0 0 3 1 0 0
2026 WSH 4 0 4.2 0-0 0 1 2 60 43 17 17 3 3 0 0 0 4 1 0 0
RP MLB Percentile 1 0 0 0-75 0 46 39 0 0 100 0 100 99 98 39 96 1 99 74 64
RP MLB AVG 27 1 35.0 2-2 0 2 5 586 374 213 151 32 21 6 1 4 34 14 2 1
Career 78 0 74.2 1-3 0 2 11 1,284 831 452 314 60 49 4 1 6 66 27 9 1

Tom Cosgrove Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2023 SD 21.5% 9.3% .173 .246 .516 .238 .211 .228 .171 .240 .204 .237 83.1 86.0 17.0 2.46
2024 SD 19.7% 7.9% .354 .523 .963 .421 .426 .460 .305 .405 .345 .467 86.6 87.0 14.4 6.83
2025 CHC 18.8% 6.3% .200 .200 .450 .209 .250 .250 .111 .136 .138 .124 81.7 81.6 2.5 0.76
2026 WSH 23.5% 5.9% .188 .188 .423 .198 .250 .250 .144 .213 .159 .244 78.9 90.9 22.0 1.86
RP MLB Percentile 58 90 87 99 99 99 75 89 99 99 100 99 100 32 7 99
RP MLB AVG 22.4% 10.0% .242 .393 .719 .317 .289 .321 .237 .319 .281 .362 87.7 89.3 13.3 4.30
Career 21.0% 8.6% .218 .305 .613 .280 .265 .286 .198 .275 .230 .288 83.6 86.3 15.8 3.19

Tom Cosgrove 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%
2023 SD24.3% (92.0)23.2% (91.0)-52.2% (76.2)--0.4% (85.0)-- 47.4% 52.6%
2024 SD23.2% (90.3)25.7% (89.9)-1.6% (78.6)49.5% (76.8)---- 48.9% 51.1%
2025 CHC25.0% (88.5)32.8% (87.3)-20.3% (76.5)21.9% (75.9)---- 57.8% 42.2%
2026 WSH10.0% (87.8)3.3% (87.9)--86.7% (73.0)---- 13.3% 86.7%
RP MLB Percentile 2 (2) 2 (1) - - 100 (0) - - - - 0.9% 98.9%
RP MLB AVG 38.2% (94.5) 25.9% (93.9) 20.7% (89.4) 25.5% (85.3) 21.5% (82.5) 16.6% (79.6) 17.3% (86.3) 18.4% (86.4) 32.3% (68.2) 48.3% 51.5%
Career23.4% (91.3)23.4% (90.4)-35.4% (76.2)17.6% (75.9)-0.2% (85.0)-- 46.7% 53.3%

Tom Cosgrove 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%
2023 SD26.6% (22)27.8% (22)-33.0% (52)--0.0% (0)-- 27.2% 32.7%
2024 SD16.0% (10)20.5% (5)-40.0% (0)35.6% (12)---- 18.4% 35.8%
2025 CHC18.8% (3)23.8% (3)-38.5% (1)7.1% (0)---- 21.6% 22.2%
2026 WSH33.3% (0)50.0% (0)--30.8% (5)---- 37.5% 30.8%
RP MLB Percentile 87 (0) 99 (0) - - 62 (63) - - - - 97.7% 66.8%
RP MLB AVG 27.1% (21) 27.0% (8) 27.1% (10) 29.2% (17) 28.1% (14) 27.4% (9) 21.8% (13) 23.9% (15) 23.8% (8) 27.8% 28.8%
Career23.7% (35)25.7% (30)-33.2% (53)32.7% (17)-0.0% (0)-- 24.7% 32.9%

Tom Cosgrove 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%
2023 SD 37.8% 16.3% 32.6% 13.3% 26.7% 41.6% 32.1% 26.3% 18.3% 75.5% 20.7% 0.7% 3.0% 24.1%
2024 SD 46.0% 20.0% 24.0% 10.0% 36.0% 42.0% 34.0% 24.0% 20.1% 62.0% 28.0% 6.0% 4.0% 38.0%
2025 CHC 58.3% 16.7% 8.3% 16.7% 16.7% 41.7% 33.3% 25.0% 26.6% 75.0% 25.0% 0.0% 0.0% 25.0%
2026 WSH 41.7% 16.7% 16.7% 25.0% 16.7% 41.7% 8.3% 50.0% 20.0% 83.4% 16.7% 0.0% 0.0% 16.7%
RP MLB Percentile 40 82 8 99 99 51 0 100 79 99 93 97 99 99
RP MLB AVG 43.6% 21.8% 24.4% 10.3% 34.7% 41.0% 33.9% 25.1% 17.9% 62.6% 24.5% 5.9% 7.1% 37.1%
Career 41.1% 17.2% 28.2% 13.4% 27.8% 41.7% 31.3% 27.0% 19.2% 72.8% 22.5% 1.9% 2.9% 27.0%

Tom Cosgrove 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%
2023 SD .173 .238 .211 .228 .171 .240 .204 .237 83.1 86.0 17.0 6.8% 24.1% 16.1%
2024 SD .354 .421 .426 .460 .305 .405 .345 .467 86.6 87.0 14.4 25.0% 38.0% 25.0%
2025 CHC .200 .209 .250 .250 .111 .136 .138 .124 81.7 81.6 2.5 0.0% 25.0% 18.8%
2026 WSH .188 .198 .250 .250 .144 .213 .159 .244 78.9 90.9 22.0 0.0% 16.7% 11.8%
RP MLB Percentile 87 99 75 89 99 99 100 99 100 32 7 96 99 99
RP MLB AVG .242 .317 .289 .321 .237 .319 .281 .362 87.7 89.3 13.3 18.3% 37.1% 24.7%
Career .218 .280 .265 .286 .198 .275 .230 .288 83.6 86.3 15.8 10.2% 27.0% 18.2%

Tom Cosgrove 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
2023 SD 50.2% 64.8% 46.1% 25.7% 24.9% 18.3% 75.1% 81.7% 57.9% 18.6% 11.5% 30.1% 16.4% 61.1% 0.57 56.9%
2024 SD 48.6% 62.8% 44.0% 24.1% 19.0% 20.1% 81.0% 88.2% 62.5% 18.9% 8.4% 27.2% 15.5% 55.7% 0.50 51.1%
2025 CHC 39.1% 67.2% 56.3% 41.0% 19.4% 26.6% 80.6% 90.0% 68.8% 10.9% 10.9% 21.9% 18.8% 62.5% 0.41 57.8%
2026 WSH 51.7% 71.7% 48.3% 31.0% 17.2% 20.0% 82.8% 95.0% 55.6% 23.3% 8.3% 31.7% 20.0% 66.7% 0.67 65.0%
RP MLB Percentile 97 99 59 46 6 79 6 1 63 99 8 84 86 99 93 100
RP MLB AVG 44.5% 63.5% 47.2% 31.4% 25.6% 17.9% 74.4% 83.8% 58.4% 16.4% 12.1% 28.5% 17.1% 58.1% 0.50 50.8%
Career 49.3% 64.7% 46.2% 26.4% 22.8% 19.2% 77.2% 84.3% 59.9% 18.5% 10.5% 29.0% 16.4% 60.0% 0.55 55.8%

Tom Cosgrove Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2023 SD 50.2% 41.1% 26.2% 32.7% 33.8% 30.1% 36.1% 33.8% 40.0% 8.0%
2024 SD 48.6% 48.3% 21.1% 30.7% 38.1% 33.4% 28.5% 32.2% 46.7% 7.4%
2025 CHC 39.1% 46.9% 23.4% 29.7% 28.1% 32.8% 39.1% 29.7% 46.9% 6.3%
2026 WSH 51.7% 60.0% 18.3% 21.7% 41.7% 31.7% 26.7% 38.3% 43.3% 8.3%
RP MLB Percentile 97 100 100 0 76 1 1 95 49 91
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.4% 22.9% 40.7% 30.0% 43.0% 6.6%
Career 49.3% 44.1% 24.4% 31.5% 35.0% 31.2% 33.9% 33.4% 42.2% 7.8%

Tom Cosgrove Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2023 SD 58.4% 10.4% 31.3% 11.2% 60.7% 54.9% 25.8% 18.7% 16.8%
2024 SD 54.8% 11.8% 33.4% 13.6% 55.3% 50.0% 27.1% 16.7% 13.9%
2025 CHC 57.8% 7.8% 34.4% 16.2% 56.3% 50.0% 18.9% 45.5% 13.6%
2026 WSH 61.7% 8.3% 30.0% 16.2% 52.9% 35.3% 24.3% 38.9% 22.2%
RP MLB Percentile 88 94 55 72 7 1 84 99 74
RP MLB AVG 58.5% 12.3% 29.7% 14.5% 60.9% 50.1% 21.1% 26.5% 19.2%
Career 57.6% 10.5% 31.9% 12.3% 58.7% 52.4% 25.7% 20.5% 16.1%

Tom Cosgrove PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2023 SD 837 4.96 49.1% 14.6% 36.3% 12.8% 5.0% -11.2 -9 3.55
2024 SD 323 5.00 47.8% 14.3% 37.9% 9.9% 4.3% 10.4 +9 4.40
2025 CHC 64 4.75 35.9% 23.4% 40.6% -4.7% 6.3% -1.9 -1 3.79
2026 WSH 60 4.94 45.0% 18.3% 36.7% 8.3% 3.3% -1.8 +1 2.70
RP MLB Percentile 0 49 37 64 52 52 77 66 44 90
RP MLB AVG 586 4.93 45.9% 17.3% 36.8% 9.0% 4.6% 0.9 +0 3.50
Career 1,284 4.96 47.9% 15.1% 36.9% 11.0% 4.8% -4.5 +0 3.68
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