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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

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
1 16.1 7.71 1.47 18.9% 8.1%
127th 3
Sv
342nd 45.0
IP
314th 4.21
ERA
219th 1.34
WHIP
227th 22.6%
K%
78th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
88.6 8.6% 25.4% 53.0% 4.1% 5.09 2.93
346th 94.6
FB MPH
316th 12.2%
SwStr%
275th 28.5%
CSW%
47th 51.1%
Str-ICR
152nd 4.6%
MTK%
39th 4.94
PLV
40th 3.54
PLA

Articles

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8/22/2026Fantasy Baseball Relief Pitcher Roundup: 8/21Rick Graham

8/21/2026Fantasy Baseball Relief Pitcher Roundup: 8/20Rick Graham

8/16/2026Fantasy Baseball Relief Pitcher Roundup: 8/15Rick Graham

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Tom Cosgrove 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
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 18 0 16.1 1-2 1 3 7.71 1.47 5.39 5.26 5.20 2.93 18.9% 8.1% 9.9 1.65 .306 18.8% 45.9% 38.5% 30.8% 8.6% 25.4% 0.48 5.09
RP MLB Percentile 14 0 2 17-42 38 40 10 35 30 48 29 87 35 76 17 41 28 62 1 51 8 9 20 55 87
RP MLB AVG 36 2 45.0 3-2 3 6 4.21 1.34 4.19 4.21 4.26 3.54 22.6% 9.8% 8.3 1.12 .289 17.4% 72.7% 36.9% 43.7% 12.2% 28.5% 0.50 4.94
Career 92 0 86.1 2-5 2 12 4.59 1.24 3.68 4.29 5.03 3.59 20.5% 8.6% 7.8 0.94 .274 12.3% 66.4% 29.9% 39.0% 10.3% 28.3% 0.53 4.99

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 18 0 16.1 1-2 0 1 3 268 182 86 74 18 9 4 2 3 14 6 2 0
RP MLB Percentile 14 0 2 17-42 0 38 40 0 2 100 1 90 94 71 5 79 5 97 60 75
RP MLB AVG 36 2 45.0 3-2 0 3 6 763 488 276 196 41 27 8 1 5 44 18 2 2
Career 92 0 86.1 2-5 0 2 12 1,492 970 521 371 75 55 8 3 9 76 32 11 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 18.9% 8.1% .290 .565 .916 .379 .306 .346 .274 .363 .280 .408 86.0 91.0 18.2 5.39
RP MLB Percentile 35 76 15 9 13 17 28 27 22 30 40 26 91 46 18 30
RP MLB AVG 22.6% 9.8% .240 .388 .711 .314 .289 .319 .235 .315 .280 .358 87.6 89.2 13.3 4.19
Career 20.5% 8.6% .234 .361 .681 .304 .274 .300 .215 .296 .244 .316 84.4 87.2 16.0 3.68

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 WSH28.4% (88.6)5.2% (88.3)--66.4% (73.4)---- 33.6% 66.4%
RP MLB Percentile 28 (1) 4 (1) - - 100 (0) - - - - 11.1% 88.3%
RP MLB AVG 38.5% (94.6) 26.4% (94.0) 20.1% (89.5) 25.7% (85.8) 21.3% (82.4) 15.6% (80.3) 16.9% (86.2) 17.9% (86.6) 38.1% (65.2) 48.3% 51.5%
Career24.8% (90.8)20.9% (90.4)-30.5% (76.2)23.6% (75.0)-0.2% (85.0)-- 45.7% 54.3%

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 WSH23.7% (9)21.4% (1)--26.4% (13)---- 23.3% 26.4%
RP MLB Percentile 21 (77) 16 (5) - - 37 (43) - - - - 7.7% 41.1%
RP MLB AVG 26.9% (27) 27.3% (11) 26.4% (13) 29.8% (23) 28.4% (17) 27.2% (12) 21.5% (16) 23.0% (18) 22.2% (7) 27.8% 28.8%
Career23.5% (44)25.3% (31)-33.2% (53)29.8% (25)-0.0% (0)-- 24.3% 31.6%

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 30.8% 26.9% 30.8% 11.5% 34.6% 40.4% 30.8% 28.8% 23.1% 61.5% 19.2% 11.5% 7.7% 38.5%
RP MLB Percentile 8 6 78 69 37 36 23 86 99 53 82 6 55 51
RP MLB AVG 43.7% 21.6% 24.5% 10.3% 34.6% 41.0% 33.7% 25.4% 18.2% 62.8% 24.5% 5.9% 6.8% 36.9%
Career 39.0% 19.3% 29.3% 12.4% 29.7% 41.4% 32.3% 26.3% 19.9% 69.8% 22.1% 4.0% 4.0% 29.9%

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 .290 .379 .306 .346 .274 .363 .280 .408 86.0 91.0 18.2 18.8% 38.5% 27.0%
RP MLB Percentile 15 17 28 27 22 30 40 26 91 46 18 62 51 33
RP MLB AVG .240 .314 .289 .319 .235 .315 .280 .358 87.6 89.2 13.3 17.4% 36.9% 24.5%
Career .234 .304 .274 .300 .215 .296 .244 .316 84.4 87.2 16.0 12.3% 29.9% 20.2%

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 50.4% 67.9% 51.1% 30.1% 16.8% 23.1% 83.2% 87.6% 72.5% 16.8% 8.6% 25.4% 19.4% 61.2% 0.48 53.0%
RP MLB Percentile 97 97 88 53 5 99 5 20 5 67 9 20 85 92 55 86
RP MLB AVG 44.4% 63.8% 47.4% 31.8% 25.6% 18.2% 74.4% 83.9% 58.6% 16.3% 12.2% 28.5% 17.1% 58.4% 0.50 51.1%
Career 49.4% 65.0% 47.0% 26.9% 21.8% 19.9% 78.2% 84.5% 62.6% 18.0% 10.3% 28.3% 16.8% 60.0% 0.53 55.0%

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 50.4% 50.4% 22.8% 26.9% 37.7% 36.6% 25.7% 30.2% 47.0% 9.3%
RP MLB Percentile 97 99 90 2 47 0 1 54 78 99
RP MLB AVG 44.4% 34.5% 27.0% 38.5% 36.4% 22.9% 40.7% 29.8% 43.2% 6.6%
Career 49.4% 44.6% 24.3% 31.1% 35.2% 32.1% 32.7% 32.6% 43.0% 8.0%

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 61.6% 9.3% 29.1% 18.2% 62.2% 50.0% 21.2% 29.5% 17.9%
RP MLB Percentile 94 93 32 93 44 39 53 84 54
RP MLB AVG 58.5% 12.2% 29.9% 14.5% 60.9% 50.1% 21.1% 26.8% 19.2%
Career 58.2% 10.4% 31.5% 13.2% 59.7% 52.7% 24.9% 21.3% 16.2%

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 268 5.09 52.6% 13.1% 34.3% 18.3% 4.1% 6.3 +5 2.93
RP MLB Percentile 0 87 98 1 79 79 53 31 21 87
RP MLB AVG 763 4.94 46.0% 17.3% 36.7% 9.3% 4.6% 0.6 0 3.54
Career 1,492 4.99 48.9% 14.6% 36.5% 12.4% 4.8% 3.6 +5 3.59
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