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Carson Seymour

#77 - Relief Pitcher

San Francisco Giants

Bats / Throws Right / Right
Date of Birth 12/16/1998 (27)
Height, Weight 6'5", 264 lb
Hometown Poway, CA

2026 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
1 31.2 4.55 1.48 16.4% 11.4%
138th 3
Sv
272nd 52.0
IP
236th 4.21
ERA
277th 1.34
WHIP
305th 22.7%
K%
255th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
96.6 11.3% 25.7% 45.5% 6.2% 4.62 4.64
57th 94.7
FB MPH
207th 12.2%
SwStr%
302nd 28.5%
CSW%
339th 51.2%
Str-ICR
295th 4.7%
MTK%
345th 4.94
PLV
328th 3.56
PLA
Holds List
Rank
116th

Articles

9/26/20269/27 UPDATE - The List 9/21: Starting Pitcher Daily Rankings Cheat SheetNick Pollack

9/23/2026Fantasy Baseball Relief Pitcher Roundup: 9/22Rick Graham

9/22/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 9/22Rick Graham

9/21/2026Fantasy Baseball Relief Pitcher Roundup: 9/20Rick Graham

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

See More Articles
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Carson Seymour 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
2025 SF 16 3 36.0 1-3 0 1 4.75 1.39 6.15 6.11 4.49 4.04 16.1% 8.4% 9.3 2.25 .264 37.5% 78.1% 39.7% 52.6% 9.5% 27.7% 0.42 4.78
2026 SF 25 1 31.2 0-2 1 8 4.55 1.48 4.78 5.76 4.87 4.64 16.4% 11.4% 8.8 1.71 .272 28.6% 73.2% 42.0% 49.0% 11.3% 25.7% 0.36 4.62
RP MLB Percentile 19 0 22 0-49 37 61 33 20 19 7 17 6 12 27 28 11 60 7 52 9 72 38 12 9 1
RP MLB AVG 42 2 52.0 3-3 3 7 4.21 1.34 4.17 4.18 4.25 3.56 22.7% 9.8% 8.3 1.09 .291 17.6% 72.4% 36.8% 44.0% 12.2% 28.5% 0.50 4.94
Career 41 4 67.2 1-5 1 9 4.66 1.43 5.51 5.92 4.65 4.32 16.3% 9.8% 9.0 2.00 .268 33.3% 75.6% 40.7% 50.9% 10.3% 26.8% 0.39 4.71

Carson Seymour Repertoire

2025 2026 All
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Carson Seymour Game Log

Carson Seymour 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
2025 SF 16 3 36.0 1-3 0 0 1 621 384 237 155 37 23 5 0 9 25 13 1 0
2026 SF 25 1 31.2 0-2 0 1 8 530 325 205 140 31 19 6 0 6 23 16 1 5
RP MLB Percentile 19 0 22 0-49 0 37 61 21 20 76 23 71 73 58 50 37 13 61 64 9
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 41 4 67.2 1-5 0 1 9 1,151 709 442 295 68 42 11 0 15 48 29 2 5

Carson Seymour Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2025 SF 16.1% 8.4% .264 .493 .824 .354 .264 .322 .292 .390 .301 .434 90.5 94.4 5.8 6.15
2026 SF 16.4% 11.4% .256 .455 .803 .348 .272 .316 .253 .336 .276 .352 87.6 88.7 5.9 4.78
RP MLB Percentile 12 27 29 16 16 17 60 47 25 19 51 49 54 63 89 19
RP MLB AVG 22.7% 9.8% .241 .389 .712 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 4.17
Career 16.3% 9.8% .261 .475 .814 .353 .268 .319 .274 .367 .289 .398 89.1 91.8 5.9 5.51

Carson Seymour 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%
2025 SF22.1% (96.8)42.2% (96.1)10.0% (93.5)20.0% (87.0)-5.8% (85.3)--- 64.3% 35.7%
2026 SF16.8% (97.2)33.6% (96.6)22.1% (94.4)24.5% (88.7)-0.2% (85.6)-2.8% (91.7)- 50.4% 49.6%
RP MLB Percentile 9 (85) 71 (83) 64 (97) 51 (84) - 0 (93) - 8 (95) - 54.0% 45.7%
RP MLB AVG 38.7% (94.7) 26.5% (94.1) 19.6% (89.4) 25.9% (86.1) 20.7% (82.3) 15.3% (80.3) 17.8% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career19.6% (97.0)38.2% (96.3)15.6% (94.1)22.1% (87.9)-3.2% (85.3)-1.3% (91.7)- 57.9% 42.1%

Carson Seymour 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%
2025 SF27.7% (16)33.2% (15)14.5% (3)28.2% (24)-8.3% (1)--- 31.3% 21.2%
2026 SF16.9% (8)32.6% (15)23.9% (12)25.4% (25)-0.0% (0)-13.3% (0)- 27.3% 24.0%
RP MLB Percentile 2 (88) 85 (31) 28 (38) 22 (36) - 0 (0) - 14 (93) - 44.6% 11.7%
RP MLB AVG 27.2% (32) 27.6% (13) 26.9% (15) 29.7% (28) 28.4% (20) 27.3% (15) 22.4% (21) 22.7% (21) 19.3% (9) 27.9% 28.8%
Career23.5% (24)33.0% (30)20.7% (15)26.8% (49)-8.1% (1)-13.3% (0)- 29.7% 22.7%

Carson Seymour 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%
2025 SF 52.6% 19.0% 20.7% 7.8% 34.5% 39.7% 30.2% 30.2% 15.5% 60.3% 21.6% 3.4% 14.7% 39.7%
2026 SF 49.0% 27.0% 21.0% 3.0% 36.0% 45.0% 28.0% 27.0% 16.8% 58.0% 29.0% 4.0% 9.0% 42.0%
RP MLB Percentile 72 7 25 1 36 79 11 60 31 9 9 77 15 9
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 50.9% 22.7% 20.8% 5.6% 35.2% 42.1% 29.2% 28.7% 16.1% 59.3% 25.0% 3.7% 12.0% 40.7%

Carson Seymour 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%
2025 SF .264 .354 .264 .322 .292 .390 .301 .434 90.5 94.4 5.8 37.5% 39.7% 29.7%
2026 SF .256 .348 .272 .316 .253 .336 .276 .352 87.6 88.7 5.9 28.6% 42.0% 30.0%
RP MLB Percentile 29 17 60 47 25 19 51 49 54 63 89 7 9 6
RP MLB AVG .241 .314 .291 .321 .235 .314 .280 .358 87.6 89.3 13.1 17.6% 36.8% 24.4%
Career .261 .353 .268 .319 .274 .367 .289 .398 89.1 91.8 5.9 33.3% 40.7% 29.8%

Carson Seymour 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
2025 SF 49.3% 61.8% 43.6% 22.9% 21.8% 15.5% 78.2% 87.9% 51.4% 18.2% 9.5% 27.7% 18.7% 55.9% 0.42 47.0%
2026 SF 44.9% 61.3% 47.0% 27.1% 24.1% 16.8% 75.9% 88.2% 49.4% 14.3% 11.3% 25.7% 18.9% 55.5% 0.36 45.5%
RP MLB Percentile 55 18 45 9 39 31 39 17 86 16 38 12 74 15 9 3
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 47.3% 61.6% 45.2% 24.9% 22.9% 16.1% 77.1% 88.1% 50.3% 16.4% 10.3% 26.8% 18.8% 55.7% 0.39 46.3%

Carson Seymour Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2025 SF 49.3% 27.4% 26.7% 45.9% 31.2% 25.4% 43.3% 25.6% 47.7% 6.1%
2026 SF 44.9% 27.9% 29.2% 42.8% 41.7% 23.8% 34.5% 38.3% 32.5% 8.7%
RP MLB Percentile 55 11 21 80 75 35 20 97 1 95
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 47.3% 27.6% 27.9% 44.5% 36.1% 24.7% 39.3% 31.5% 40.7% 7.3%

Carson Seymour Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2025 SF 59.3% 13.7% 27.1% 12.8% 59.0% 50.0% 23.6% 16.7% 14.9%
2026 SF 60.4% 15.5% 25.3% 16.3% 52.1% 43.6% 17.2% 23.9% 17.2%
RP MLB Percentile 77 6 5 75 4 10 7 19 25
RP MLB AVG 58.5% 12.1% 29.9% 14.5% 61.0% 50.1% 21.1% 26.7% 19.3%
Career 59.8% 14.5% 26.2% 14.4% 55.7% 47.0% 20.6% 19.9% 15.9%

Carson Seymour PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2025 SF 621 4.78 42.4% 18.4% 39.3% 3.1% 6.8% 9.2 +5 4.04
2026 SF 530 4.62 40.2% 14.2% 45.7% -5.5% 6.2% 0.2 -1 4.64
RP MLB Percentile 21 1 3 9 0 0 15 46 49 6
RP MLB AVG 884 4.94 45.9% 17.3% 36.8% 9.1% 4.7% 0.6 0 3.56
Career 1,151 4.71 41.4% 16.4% 42.2% -0.9% 6.5% 9.4 +5 4.32
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