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University of Hawai'i at Manoa Athletics

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2026 Baseball Roster

26 Isaiah Magdaleno

26 Isaiah Magdaleno

  • Position:
    Right-Handed Pitcher
  • Height:
    6-3
  • Weight:
    220
  • B/T:
    R/R
  • Class:
    Junior
  • Hometown:
    Los Angeles, Calif.
  • Highschool:
    Crespi Carmelite HS

Summary

Biography

Junior (2026)
Baseball America Third-Team All-American
Perfect Game Third-Team All-American
ABCA Second-Team All-West Region
First-Team All-Big West
Golden Spikes Award National Player of the Week (May 5)
4x Big West Pitcher of the Week (Mar. 2, May 4, May 11, May 18)
Big West Championship All-Tournament Team
 
  • First UH player since 2011 (Kolten Wong) and just the sixth in program history to earn multiple All-America honors.
  • Posted a 2.36 ERA with 116 strikeouts to just 31 walks over 95.1 innings pitched.
  • Held opponents to a .171 batting average while finishing with a 0.92 WHIP and only 57 hits allowed.
  • Fifth nationally in WHIP, sixth in hits allowed per nine innings and 13th in ERA.
  • Dominated in conference play, owning a 1.47 ERA with 85 strikeouts while giving up just 34 hits in 67.1 innings vs. Big West opponents.
  • Arguably the best pitcher in the country down the stretch, posting a 0.83 ERA with 43 strikeouts to just three walks over 32.1 innings and four appearances since May 1.
  • Delivered a pair of complete-game, one-hit shutouts in his final two home starts against UC Riverside (May 1) and CSUN (May 13).
  • First pitcher nationally since 2017 to throw multiple nine-inning, one-hit shutouts in a season.
  • Fanned a career-high 16 batters while walking just one and giving up only one hit in a shutout of UC Riverside on May 1, earning Golden Spikes Award National Player of the Week honors.
  • Took a perfect game into the seventh inning and was two outs away from a no-hitter vs. the Highlanders.
  • One of just three UH pitchers ever to strike out at least 16 batters in a game (Derek Tatsuno, Gerald Ako).
  • Struck out 14 and walked none while giving up just a fifth-innings single in a shutout of CSUN on May 13.
  • Earned third consecutive Big West Pitcher of the Week honor and NCBWA National Pitcher of the Week recognition for his effort against the Matadors.
  • Also earned Big West Pitcher of the Week honors after a nine-strikeout effort at UC Davis (May 8) and a 12-strikeout night against Ball State (Feb. 26).
  • Worked six or more innings in 10 of his 15 starts.
  • His 116 strikeouts are the most in a season by a UH pitcher since 2006 (Steven Wright).
  • Only the second Hawai‘i pitcher to strike out over 100 batters in fewer than 100.0 IP in a season (Bryan Duquette, 1981).
Sophomore (2025)
First-Team All-Big West
Big West Championship All-Tournament Team
  • Ranked fifth in the country in strikeout-to-walk ratio (7.00) and 11th in WHIP (0.95).
  • Also in the top 30 nationally in saves (23rd), walks allowed per nine innings (24th) and ERA (27th).
  • Appeared in 24 games, all out of the bullpen, posting a 2.70 ERA while going 4-1 with nine saves.
  • His nine saves are the most in a season by a UH pitcher since 2018 (Dylan Thomas, 14).
  • Struck out 77 batters while walking just 11 over 60.0 innings pitched with a .205 batting average against.
  • Pitched multiple innings in 18 of his 24 appearances.
  • Appeared in each of UH’s last seven wins of the season.
  • Punched out six over three scoreless innings to earn the save in a 15-7 win over UC Santa Barbara on Mar. 15.
  • Worked the final two innings to earn his second consecutive save and clinch the series win over the Gauchos in a 1-0 win on Mar. 16.
  • Pitched a career-long seven shutout innings out of the bullpen vs. UC Davis on Mar. 24, earning the win following a 2-1 walk-off victory.
  • Got the win with two scoreless innings of relief with three strikeouts in a 4-2 extra-inning win at Cal Poly on Apr. 11.
  • Locked down a 5-0 win over Oregon State on May 4 with a scoreless ninth inning.
  • Recorded an eight-out save with five strikeouts to secure a 6-3 series-opening win over UC San Diego on May 15.
  • Earned the save in each of UH’s two wins in the Big West Championship, pitching 6.1 innings and striking out six.
Freshman (2024)
  • Appeared in 12 games on the mound, making four starts.
  • Finished with 28 strikeouts to just eight walks over 23.2 innings, going 1-2 with a save.
  • Got the win in his first collegiate outing, going four innings with five strikeouts vs. Ole Miss on Feb. 17.
  • Pitched four shutout innings of relief with five strikeouts and no walks to earn the save against Rice on Mar. 10.
  • One of 10 UH pitchers to combine on a shutout of Chaminade on Apr. 16, throwing a scoreless second inning.
Before UH
  • Ranked No. 195 overall in California in the Class of 2023.
  • A four-year letterwinner and 2023 graduate of Crespi Carmelite High School.
  • Went 9-0 with a 1.04 ERA and 88 strikeouts to just 21 walks between his junior and senior seasons.
  • Posted a 3-0 record and 1.27 ERA as a senior, striking out 33 and walking 12 over 27.2 innings.
  • Gave up just 17 hits in 2023, holding opponents to a .163 batting average to help lead Crespi to a CIF Southern Section Division II semifinal appearance.
  • Also hit .305 with a home run and 17 RBIs.
  • Finished 6-0 with a 0.91 ERA over 46.1 innings as a junior in 2022, fanning 55 and walking just nine.
  • Limited opponents to a .211 batting average, allowing 13 runs on 37 hits.
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Season Stats

Season:
2026
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Historical Player Information

  • 26

    2024Freshman

    Right-Handed Pitcher
    6'3" 215 lbs
    26
  • 26

    2025Sophomore

    Right-Handed Pitcher
    6'3" 215 lbs
    26
  • 26

    2026Junior

    Right-Handed Pitcher
    6'3" 220 lbs
    26