2025 Baseball Roster

Scott Marshall/KLC Fotos
Sara Letson
Sara Letson

3 Seth Gwynn

  • Position Outfielder
  • Class Senior
  • Height/Weight 6-0 / 200
  • Bat/Throw R/R
  • Hometown Concord, Calif.
  • High School Clayton Valley Charter HS
  • Prev School Los Medanos College
  • Twitter SethGwynn1
  • Instagram seth__gwynn/

Biography

At Cal
Career (2024 - Present)

94 G/80 GS, .266, 10 HR, 47 RBI, 13 SB
Career Highs: AB - 6, vs. Virginia (3/15/25); R - 3, twice, last at Saint Mary’s (3/18/25); H - 4, at Arizona State (3/29/24); RBI - 3, twice, last vs Nevada (2/17/25); HR - 1, 10 times, last vs. Pacific (4/7/25); SB - 2, vs San Francisco (3/19/24); Hit Streak - 8 (4/13/24 - 4/27/24)

2025 (Sr.)
43 G/39 GS, .216, 3 HR, 18 RBI, 2 SB

ACC/National Rankings (Thru 5/23/25): Sacrifice Flies - T2/T44
- Played in each of the team’s first 37 games with 36 starts but only five of the last 18 (three starts) 
- Made his first start since April 26 in the May 15 opener of the Boston College series and was 0-for-3 with a strikeout before coming off the bench to play the ninth inning in center field May 16 and pinch-running in the ninth of the ACC Championship quarterfinal against Georgia Tech in the season May 22 season finale
- Led team in sacrifice flies (6), tied for the lead in sacrIfice bunts (3) and second in hit by pitches (9)

2024 (Jr.)
51 GP/41 GS, .311, 7 HR, 29 RBI, 11 SB

- Named to the All-Pac-12 Honorable Mention squad and was also named the league's Player of the Week on Apr. 22
- Played in 51 games with 41 starts including each of the team's final 20 contests
- Hit .311 (46-158) with 33 runs scored, eight doubles, seven home runs, 29 RBI and 11 stolen bases that are the most of any of Cal's 2025 returnees
- Had a team-high .425 on base percentage that was also fueled by 22 walks and nine hit by pitches, as well as a .507 slugging mark that is the second-highest of all 2025 returnees
- Had 11 multi-hit games including four three-hit contests and one four-hit games
- Hit .333 (25-for-75) with runners on base. 
- Also hit .333 (13-for-39) with runners in scoring position. 
- Had a season-long eight-game hit streak from Apr. 13-27 (14-33, .424)
- Hit safely in 11 of 12 games from Apr. 19 - May 11, posting a .444 (20-45) batting average with 13 runs scored, five doubles, four home runs, 12 RBI and four stolen bases during the stretch
Notable Games/Series
- Made his Cal debut in the Feb. 16 season opener by coming off the bench to play right field in the top of the ninth of a 6-3 win over No. 24 Kansas State in the MLB Desert Classic
- Scored his first run and picked up his first stolen base for the Golden Bears the following day Feb . 17 in a 12-3 win over Georgetown at the MLB Desert Classic when he entered the game in right field as a defensive replacement in the bottom of the seventh and then in the ninth inning was hit by a pitch, stole second and scored on PJ Mouzourdis' RBI single
- Got his first Cal start (in left field) in an 8-4 win in a Feb. 23 series-opener against Connecticut and had his first home run and runs batted in for the Golden Bears when he blasted a two-run shot to snap a 4-4 tie in the bottom of the fifth
- Walked twice and scored both times in a 5-0 home win over Stanford on Mar. 5
- Next hit and runs batted in came in the Mar. 8 series opener at home against UCLA when he had an RBI single for the Bears' first run in the second and walked with the bases loaded in the fifth
- Scored Cal's first run in a 4-1 win over UCLA on Mar. 9 when he walked to lead off the third, stole second and was plated on PJ Moutzouridis' RBI single
- Started a five-run Cal comeback against UCLA on Mar. 10 when he singled to lead off the seventh and came around to score in an eventual 6-5 win
- Had a career-high two stolen bases in an 11-3 win at San Francisco on Mar. 19 
- Had the first of his four three-hit games when he was 3-for-4 against Utah on Mar. 22
- Walked in his only plate appearance in the bottom of the ninth in advance of Caleb Lomavita's three-run walkoff home run against Santa Clara in a 6-4 victory on Mar. 25 and was credited with scoring the game-winning run
- Had career highs for hits and runs batted in (4-4, 2B, HR, 3 RBI)
- Was 3-for-5 with a two-run homer and the game-winning RBI single in a 14-11 at Saint Mary's on Apr. 10
- Earned Pac-12 Player of the Week honors for his performance in a three-game sweep of No. 5 Oregon State Apr. 19-21 when he was 6-for-12 (.500) with four runs scored and slugged 1.250 with three home runs including one in each game and six RBI
- Had a two-out, two-run home run in bottom of the ninth inning in the series opener against Oregon State on Apr. 19
- Banged a solo homer to lead off the bottom of the seventh and start a comeback from a 7-3 deficit against Oregon State on Apr. 20
- Was 2-for-3 with three RBI on a two-run homer and a bases loaded walk to drive in a run in a 4-3 win against Oregon in the Apr. 21 series finale
- Was 3-for-4 with a double, stolen base and run scored in a 12-3 win at Pacific on Apr. 23
- Scored a career-high three runs, homered and drove in two in an 11-4 win at USC on May 4
- Was 2-for-4 with a career-high two doubles, a run scored and an RBI in a 6-3 win in a series rubber game May 5 at USC 
- Was 2-for-4 in a 4-3 home win over San Jose State on May 11, driving in the game's first run on an RBI single in the bottom of the first before scoring the game-winner by singling with one out in the bottom of the 11th, stealing second base and scoring on a two-out Spartans' throwing error
- Singled home the game-winning run with two outs in the bottom of the 10th in a 4-3 win over Washington on May 18
- Was 2-for-4 with a double and two RBI in a 12-0 victory over Washington in the Pac-12 Tournament opener on May 21 
Other
Collegiate Summer League
2024 (West Coast Kings, Pacific Empire League)

- Played in 11 games
- Hit .238 (10-42) with two runs scored, four doubles, six RBI and four stolen bases

2023 (Bay Area Admirals, California Collegiate League)
- Played in 21 regular-season games
- Hit .303 (23-78) with 14 runs scored, three doubles, one triple, three home runs, 12 RBI and seven stolen bases
- Had a .411 on-base percentage and a .487 slugging mark

Junior College
2023 (So.) (Los Medanos College)

- Named to the CCCAA All-Northern California squad and was a first-team Bay Valley All-Conference selection when he played in 46 games and hit .364 (72-198) with 75 runs scored, 19 doubles, two triples, nine home runs, 45 RBI and 35 stolen bases
- Led the CCCAA in both runs scored and stolen bases
- Also had a .462 on-base percentage and a .616 slugging mark

2022 (Fr.) (Los Medanos College)
- Hit .275 with 18 runs scored, two doubles, one home run, nine RBI and eight stolen bases in 27 games
- Had a .375 on-base percentage and a .348 slugging mark 

High School
Class Of 2021 (Clayton Valley Charter HS)

- Three-year letterwinner in both baseball and football

Last Updated
May 24, 2025

Statistics

Season Statistics

Season Statistics

No statistics available for this season.

Career Statistics

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Historical Player Information

  • 21

    2024Junior

    Outfielder
    6'0" 190 lbs
    21
  • 3

    2025Senior

    Outfielder
    6'0" 200 lbs
    3