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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

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 7.0 10.29 2.29 11.8% 8.8%
202nd 2
Sv
354th 39.0
IP
353rd 4.30
ERA
350th 1.36
WHIP
340th 22.3%
K%
147th 9.9%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
95.0 6.3% 23.4% 35.9% 7.0% 4.60 5.18
117th 94.7
FB MPH
352nd 12.1%
SwStr%
340th 28.5%
CSW%
354th 51.0%
Str-ICR
319th 4.7%
MTK%
347th 4.94
PLV
344th 3.47
PLA

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6/11/2026Fantasy Baseball Relief Pitcher Roundup: 6/10Rick Graham

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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 3 0 7.0 0-0 0 1 10.29 2.29 8.62 6.95 6.69 5.18 11.8% 8.8% 16.7 2.57 .440 20.0% 60.6% 55.6% 25.9% 6.3% 23.4% 0.23 4.60
RP MLB Percentile 0 0 0 0-79 0 25 0 1 1 4 1 3 4 56 0 5 0 36 10 0 3 1 3 1 2
RP MLB AVG 30 2 39.0 2-2 2 5 4.30 1.36 4.29 4.30 4.34 3.47 22.3% 9.9% 8.3 1.15 .288 18.1% 72.4% 36.8% 43.7% 12.1% 28.5% 0.50 4.94
Career 19 3 43.0 1-3 0 2 5.65 1.53 6.56 6.25 4.85 4.23 15.3% 8.5% 10.5 2.30 .298 32.4% 73.6% 42.7% 47.6% 8.9% 27.0% 0.39 4.75

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 3 0 7.0 0-0 0 0 1 128 76 52 34 13 9 2 0 2 4 3 0 1
RP MLB Percentile 0 0 0 0-79 0 0 25 0 0 100 0 94 90 83 42 72 0 97 78 38
RP MLB AVG 30 2 39.0 2-2 0 2 5 648 413 234 166 35 23 6 1 5 37 16 2 2
Career 19 3 43.0 1-3 0 0 2 749 460 289 189 50 32 7 0 11 29 16 1 1

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 11.8% 8.8% .419 .677 1.148 .491 .440 .481 .383 .459 .402 .501 90.2 83.6 17.4 8.62
RP MLB Percentile 4 56 0 1 0 0 0 0 0 1 0 1 13 96 22 1
RP MLB AVG 22.3% 9.9% .241 .393 .717 .316 .288 .319 .237 .318 .280 .360 87.7 89.2 13.2 4.29
Career 15.3% 8.5% .292 .526 .882 .381 .298 .352 .309 .405 .321 .449 90.4 91.2 8.0 6.56

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 SF20.3% (95.9)28.9% (95.0)18.0% (92.5)29.7% (87.4)-0.8% (85.6)-2.3% (91.0)- 49.2% 50.8%
RP MLB Percentile 13 (70) 64 (64) 47 (89) 65 (66) - 0 (93) - 5 (92) - 51.4% 48.6%
RP MLB AVG 37.8% (94.7) 26.1% (93.9) 20.3% (89.4) 25.7% (85.6) 21.2% (82.5) 16.1% (79.9) 17.2% (86.2) 17.9% (86.4) 32.3% (68.3) 48.3% 51.5%
Career21.8% (96.7)39.9% (95.9)11.4% (93.2)21.6% (87.1)-4.9% (85.3)-0.4% (91.0)- 61.7% 38.3%

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 SF11.5% (1)32.4% (2)30.4% (3)21.1% (2)-0.0% (0)-0.0% (0)- 23.8% 23.1%
RP MLB Percentile 1 (0) 80 (72) 69 (68) 11 (83) - 0 (0) - 0 (0) - 13.0% 12.7%
RP MLB AVG 26.9% (24) 27.3% (9) 26.6% (12) 29.3% (20) 27.7% (15) 27.3% (10) 21.7% (14) 23.3% (16) 22.0% (8) 27.8% 28.7%
Career25.2% (17)33.1% (17)18.8% (6)26.5% (26)-8.1% (1)-0.0% (0)- 30.3% 21.6%

Carson Seymour 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%
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 25.9% 37.0% 37.0% 0.0% 51.9% 44.4% 33.3% 22.2% 14.8% 44.4% 37.0% 7.4% 11.1% 55.6%
RP MLB Percentile 3 0 97 0 0 71 45 28 7 0 2 25 10 0
RP MLB AVG 43.7% 21.7% 24.4% 10.2% 34.8% 41.0% 33.8% 25.2% 18.1% 62.9% 24.3% 5.8% 7.0% 36.8%
Career 47.6% 22.4% 23.8% 6.3% 37.8% 40.6% 30.8% 28.7% 15.4% 57.4% 24.5% 4.2% 14.0% 42.7%

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 .419 .491 .440 .481 .383 .459 .402 .501 90.2 83.6 17.4 20.0% 55.6% 44.1%
RP MLB Percentile 0 0 0 0 0 1 0 1 13 96 22 36 0 0
RP MLB AVG .241 .316 .288 .319 .237 .318 .280 .360 87.7 89.2 13.2 18.1% 36.8% 24.5%
Career .292 .381 .298 .352 .309 .405 .321 .449 90.4 91.2 8.0 32.4% 42.7% 32.3%

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 43.0% 59.4% 42.2% 23.3% 14.8% 14.8% 85.2% 91.9% 70.6% 17.2% 6.3% 23.4% 21.1% 49.2% 0.23 35.9%
RP MLB Percentile 31 7 7 2 2 7 2 3 8 66 1 3 92 0 1 0
RP MLB AVG 44.5% 63.7% 47.3% 31.6% 25.6% 18.1% 74.4% 83.8% 58.7% 16.3% 12.1% 28.5% 17.1% 58.2% 0.50 51.0%
Career 48.2% 61.4% 43.4% 22.9% 20.6% 15.4% 79.4% 88.6% 55.1% 18.0% 8.9% 27.0% 19.1% 54.7% 0.39 45.1%

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 43.0% 35.2% 33.6% 31.3% 47.7% 24.2% 28.1% 32.8% 33.6% 10.2%
RP MLB Percentile 31 54 1 13 92 32 3 75 3 99
RP MLB AVG 44.5% 34.7% 27.0% 38.4% 36.4% 22.9% 40.7% 29.9% 43.1% 6.6%
Career 48.2% 28.7% 27.9% 43.4% 34.0% 25.2% 40.7% 26.8% 45.3% 6.8%

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 62.5% 15.6% 21.9% 17.5% 41.2% 35.3% 20.0% 21.4% 14.3%
RP MLB Percentile 93 8 1 85 0 1 36 10 13
RP MLB AVG 58.5% 12.2% 29.8% 14.5% 60.8% 50.1% 21.1% 26.6% 19.1%
Career 59.8% 14.0% 26.2% 13.6% 55.8% 47.4% 23.0% 17.3% 14.8%

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 128 4.60 39.8% 14.1% 46.1% -6.3% 7.0% 4.9 +5 5.18
RP MLB Percentile 0 2 4 9 1 1 9 29 19 3
RP MLB AVG 648 4.94 45.8% 17.4% 36.8% 9.1% 4.7% 0.7 0 3.47
Career 749 4.75 41.9% 17.6% 40.5% 1.5% 6.8% 14.1 +11 4.23
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