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California State University at Bakersfield Athletics

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2024 Baseball Roster

Mark Duffel
Mark Duffel
Mark Duffel
Mark Duffel
Mark Duffel
Mark Duffel
Hannah Walker
Hannah Walker

51 Kellen O'Connor

  • Position Left-Handed Pitcher
  • Height 5-11
  • Weight 195
  • Class Redshirt Junior
  • B/T L/L
  • Hometown Portland, Ore.

Biography

2024 (R-JUNIOR): Appeared in 13 games, starting all 13 as Bakersfield’s primary Sunday starter…Ranked second on the team in ERA (2.89) and WHIP (1.26) and third in innings pitched (81.0) and strikeouts (64)…Led the team with 2.7:1 strikeout-to-walk ratio…Earned complete-game victory May 25 at UC Davis, scattering eight hits and 1 walk while striking out 3 Aggies and allowed just 1 earned run…Struck out career-high 10 batters in eight innings of work vs. San Francisco Mar. 3… Finished CSUB career ranked fifth in program history with career ERA of 3.41 and sixth with 147 strikeouts.

2023 (REDSHIRT): Sat out the season as a medical redshirt.

2022 (SOPHOMORE): Started 11 games on the mound, third-most on the team, and made 12 appearances…Posted a 3.79 ERA, best among CSUB starters, and finished with a 4-4 record …Recorded a 1.45 WHIP, second-best on the team…Was third on the team with 54.2 innings pitched and second in strikeouts (56)…Recorded a 4-to-1 strikeout-to-walk ratio…Pitched a complete-game shutout (7 innings) against Utah Valley Mar. 26, allowing just three hits while striking out seven Wolverines…Earned a win against Utah on Mar. 6, pitching 6.1 innings, striking out eight, and allowing just one run…Finished the season ranked sixth in CSUB career history with a 3.80 ERA.

2021 (FRESHMAN): Made 10 appearances, all out of the bullpen, totaling 24.2 innings pitched...Pitched to a 4.38 ERA with 23 strikeouts and a .264 opponents batting average...Struck out one in an inning of relief to pick up the save against Pacific on Mar. 7...Four-inning save against UC San Diego on Apr. 24, striking out five...Threw 4.2 innings of relief, scattering six hits and allowing one earned run to pick up a win versus Cal Poly...Allowed just two earned runs over his final 14.1 innings pitched. 

2020 (WAIVER): Led all CSUB hurlers with seven appearances out of the bullpen...Allowed just three earned runs over 10.2 innings pitched for a 2.53 ERA...Struck out 11, while walking just four and limiting opponents to a .295 average against...Threw 1.2 innings of relief, allowing just one hit and earning the win over Washington State on Feb. 15...Struck out three in two innings of relief against Holy Cross on Mar. 1...Struck out six in 4.0 inning relief effort against Holy Cross on Mar. 3.

HIGH SCHOOL: Attended Beaverton HS in Beaverton, Ore...Coached by Jamie Langton...First-Team All-League selection in 2019.

PERSONAL: Plans to major in Engineering with a Business minor...Interested in pursuing professional baseball and/or a career in Electrical Engineering.

Statistics

Season:
2024

Season Statistics

Season Statistics

No statistics available for this season.

Career Statistics

There are no statistics available for this player.

Historical Player Information

  • 51

    2020Freshman

    Left-Handed Pitcher
    5'10" 170 lbs
    51
  • 51

    2021Sophomore

    Left-Handed Pitcher
    5'10" 170 lbs
    51
  • 51

    2022Sophomore

    Left-Handed Pitcher
    5'10" 195 lbs
    51

  • 2023Junior

    Left-Handed Pitcher
    5'10" 195 lbs
  • 51

    2024Redshirt Junior

    Left-Handed Pitcher
    5'11" 195 lbs
    51
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