Carson Seymour
Pitcher · Career Stats, Bio & Records (2025-2026)
Carson Seymour is a pitcher who has played in Major League Baseball since 2025 for the San Francisco Giants, a span of 2 seasons. Across 41 career appearances, he has gone 1-5 with a 4.66 ERA and 49 strikeouts.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- R / R
- Height / Weight
- 6'6" / 255 lb
- MLB Debut
- 2025-06-29
Full name: Carson James Seymour
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFN | NL | 1 | 3 | 16 | 3 | 0 | 0 | 0 | 36.0 | 37 | 19 | 13 | 26 | 4.75 | 4.16 (-14%) | -1754.0 |
| 2026 | SF | NL | 0 | 2 | 25 | 1 | 0 | 0 | 1 | 31.2 | 31 | 16 | 16 | 23 | 4.55 | 4.18 (-9%) | - |
| Career · 2 seasons | 1 | 5 | 41 | 4 | 0 | 0 | 1 | 67.2 | 68 | 35 | 29 | 49 | 4.66 | — | -1,754 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | SFN | NL | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 1 season | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (32 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 9 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 7 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 9 | 19.0 | 23 | 13 | 9 | 13 | 6.16 |
| Away | 7 | 17.0 | 14 | 6 | 4 | 13 | 3.18 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-24 | SFG | STL | — | 3.0 | 0 | 0 | 0 | 1 | 4 | 0 |
| 2025-09-19 | SFG | LAD | — | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-09-14 | SFG | LAD | — | 1.0 | 3 | 1 | 1 | 0 | 1 | 0 |
| 2025-09-10 | SFG | AZ | L | 1.1 | 6 | 4 | 4 | 0 | 1 | 1 |
| 2025-09-05 | SFG | STL | W | 5.0 | 2 | 1 | 1 | 1 | 2 | 0 |
| 2025-08-30 | SFG | BAL | L | 3.0 | 5 | 4 | 4 | 2 | 2 | 2 |
| 2025-08-27 | SFG | CHC | — | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2025-08-19 | SFG | SDP | — | 3.0 | 3 | 1 | 1 | 1 | 3 | 0 |
| 2025-08-15 | SFG | TBR | — | 1.2 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2025-08-12 | SFG | SDP | — | 2.0 | 1 | 1 | 1 | 2 | 0 | 1 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 16 |
Carson Seymour: the record in brief
Carson Seymour made a major league debut on June 29, 2025 and is still active, so the totals on this page keep changing. Every season row on the page belongs to the San Francisco Giants, in 2025. Seymour is listed as a pitcher at 6'6" and 255 pounds. The bio says Seymour threw and hit right-handed. The recorded birth is December 16, 1998, in Poway, CA, USA. Seymour's full given name, per the bio, is Carson James Seymour.
Seymour has gone 1-5 with a 4.66 ERA in 41 games, 4 of them starts. The totals include 49 strikeouts. The league ERA over Seymour's seasons was 4.17, so the 4.66 figure ran 11.7% worse than average. 2026 was Seymour's sharpest full season, a 4.55 ERA against the league's 4.18.
Seymour appears at one position only: pitcher, in 16 games. Fielding on the mound produced 3 putouts and 3 assists against 0 errors.
Seymour's game-by-game log, linked below the splits, holds 32 games from Retrosheet.
Frequently Asked Questions about Carson Seymour
- What years did Carson Seymour play?
- Carson Seymour played in Major League Baseball from 2025 to 2026.
- Was Carson Seymour a pitcher?
- Yes. Carson Seymour pitched in the major leagues, recording 1 wins and 49 strikeouts.
- What was Carson Seymour's career ERA?
- Carson Seymour finished with a 4.66 career ERA, going 1-5 with 49 strikeouts.
- How many strikeouts did Carson Seymour have?
- Carson Seymour recorded 49 career strikeouts.
- Is Carson Seymour in the Hall of Fame?
- No. Carson Seymour has not been inducted into the National Baseball Hall of Fame.
- What teams did Carson Seymour play for?
- Carson Seymour played for the San Francisco Giants.