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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%
0 16.1 4.96 1.59 17.8% 9.6%
213th 3
Sv
337th 44.0
IP
273rd 4.24
ERA
315th 1.35
WHIP
305th 22.6%
K%
201st 9.7%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
95.9 10.5% 22.5% 41.7% 6.2% 4.60 4.76
81st 94.6
FB MPH
258th 12.2%
SwStr%
349th 28.5%
CSW%
351st 51.1%
Str-ICR
301st 4.7%
MTK%
346th 4.94
PLV
338th 3.49
PLA
Holds List
Rank
96th

Articles

8/25/2026Fantasy Baseball Relief Pitcher Roundup: 8/24Rick Graham

8/23/2026Fantasy Baseball Relief Pitcher Roundup: 8/22Rick Graham

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

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

8/12/2026Fantasy Baseball Relief Pitcher Roundup: 8/11Rick Graham

See More Articles
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Carson Seymour 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
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 9 0 16.1 0-0 0 3 4.96 1.59 4.74 4.58 4.60 4.76 17.8% 9.6% 10.5 1.10 .340 18.2% 74.4% 50.0% 42.3% 10.5% 22.5% 0.28 4.60
RP MLB Percentile 1 0 2 0-81 0 41 22 10 23 26 20 4 13 42 9 40 13 42 56 1 39 25 0 0 2
RP MLB AVG 35 2 44.0 2-2 3 6 4.24 1.35 4.24 4.23 4.28 3.49 22.6% 9.7% 8.3 1.12 .290 17.6% 72.6% 37.1% 43.6% 12.2% 28.5% 0.51 4.94
Career 25 3 52.1 1-3 0 4 4.82 1.45 5.71 5.62 4.51 4.27 16.7% 8.8% 9.6 1.89 .288 31.4% 76.7% 42.9% 49.4% 9.8% 26.1% 0.38 4.73

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 9 0 16.1 0-0 0 0 3 276 167 109 73 19 13 4 0 2 13 7 1 3
RP MLB Percentile 1 0 2 0-81 0 0 41 4 1 93 4 84 82 69 45 76 3 88 59 15
RP MLB AVG 35 2 44.0 2-2 0 3 6 736 470 266 189 40 26 7 1 5 43 18 2 2
Career 25 3 52.1 1-3 0 0 4 897 551 346 228 56 36 9 0 11 38 20 2 3

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 17.8% 9.6% .292 .446 .816 .361 .340 .365 .270 .340 .316 .369 88.1 85.1 6.3 4.74
RP MLB Percentile 13 42 7 20 12 10 13 14 12 23 15 43 50 91 88 23
RP MLB AVG 22.6% 9.7% .241 .391 .714 .315 .290 .321 .236 .316 .281 .361 87.7 89.1 13.3 4.24
Career 16.7% 8.8% .273 .478 .822 .358 .288 .335 .285 .376 .306 .417 89.7 91.5 6.0 5.71

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 SF20.7% (96.8)30.1% (95.9)19.6% (93.5)25.0% (88.0)-0.4% (85.6)-4.4% (91.6)- 50.7% 49.3%
RP MLB Percentile 12 (81) 66 (76) 52 (94) 53 (75) - 0 (94) - 13 (95) - 57.4% 41.8%
RP MLB AVG 38.2% (94.6) 26.5% (93.9) 20.2% (89.4) 25.5% (85.7) 21.3% (82.4) 16.3% (79.7) 17.2% (86.1) 17.9% (86.6) 32.8% (68.2) 48.4% 51.5%
Career21.6% (96.8)38.5% (96.0)12.9% (93.5)21.5% (87.4)-4.1% (85.3)-1.3% (91.6)- 60.1% 39.9%

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 SF15.8% (4)26.5% (8)24.1% (7)23.2% (10)-0.0% (0)-16.7% (0)- 22.1% 22.8%
RP MLB Percentile 3 (91) 40 (40) 31 (47) 17 (56) - 0 (0) - 22 (94) - 9.1% 8.2%
RP MLB AVG 26.9% (26) 27.4% (11) 26.7% (13) 29.7% (23) 28.2% (17) 27.0% (11) 21.6% (16) 22.8% (18) 22.0% (9) 27.9% 28.8%
Career24.2% (20)31.6% (23)19.0% (10)26.4% (34)-8.1% (1)-16.7% (0)- 28.9% 21.8%

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 42.3% 32.7% 21.2% 3.8% 42.3% 50.0% 28.8% 21.2% 19.2% 49.9% 36.5% 5.8% 7.7% 50.0%
RP MLB Percentile 39 2 30 5 5 94 9 22 49 2 2 45 34 1
RP MLB AVG 43.6% 21.7% 24.5% 10.2% 34.8% 41.0% 33.7% 25.3% 18.2% 62.6% 24.6% 5.9% 6.9% 37.1%
Career 49.4% 23.2% 20.8% 6.5% 36.9% 42.9% 29.8% 27.4% 16.6% 57.2% 26.2% 4.2% 12.5% 42.9%

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 .292 .361 .340 .365 .270 .340 .316 .369 88.1 85.1 6.3 18.2% 50.0% 35.6%
RP MLB Percentile 7 10 13 14 12 23 15 43 50 91 88 42 1 1
RP MLB AVG .241 .315 .290 .321 .236 .316 .281 .361 87.7 89.1 13.3 17.6% 37.1% 24.7%
Career .273 .358 .288 .335 .285 .376 .306 .417 89.7 91.5 6.0 31.4% 42.9% 31.6%

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 43.5% 60.5% 48.6% 26.9% 21.6% 19.2% 78.4% 90.2% 52.4% 12.0% 10.5% 22.5% 18.8% 53.6% 0.28 41.7%
RP MLB Percentile 43 10 51 6 21 49 21 7 77 5 25 0 79 1 0 0
RP MLB AVG 44.5% 63.9% 47.5% 31.8% 25.6% 18.2% 74.4% 83.9% 58.5% 16.4% 12.2% 28.5% 17.1% 58.4% 0.51 51.1%
Career 47.5% 61.4% 45.2% 24.2% 21.7% 16.6% 78.3% 88.7% 51.8% 16.3% 9.8% 26.1% 18.7% 55.2% 0.38 45.4%

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 43.5% 30.1% 30.8% 39.1% 42.4% 23.2% 34.4% 37.3% 31.9% 10.1%
RP MLB Percentile 43 23 11 48 78 38 17 95 1 99
RP MLB AVG 44.5% 34.5% 27.1% 38.4% 36.4% 22.9% 40.7% 29.8% 43.1% 6.6%
Career 47.5% 28.2% 28.0% 43.8% 34.7% 24.7% 40.6% 29.2% 42.8% 7.4%

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 62.0% 15.6% 22.5% 16.4% 43.8% 38.4% 14.0% 22.6% 21.0%
RP MLB Percentile 90 7 1 80 0 2 2 5 39
RP MLB AVG 58.5% 12.1% 30.0% 14.4% 61.0% 50.2% 21.2% 26.8% 19.2%
Career 60.1% 14.3% 25.6% 13.9% 54.1% 46.3% 20.6% 18.3% 16.5%

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 276 4.60 38.8% 15.2% 46.0% -7.2% 6.2% 1.2 +2 4.76
RP MLB Percentile 4 2 2 12 0 0 14 41 33 4
RP MLB AVG 736 4.94 46.0% 17.4% 36.6% 9.3% 4.7% 0.7 0 3.49
Career 897 4.73 41.2% 17.4% 41.4% -0.1% 6.6% 10.4 +8 4.27
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