University of Hawai'i at Manoa Athletics

Connor Harrison enters his first season as the Hawai‘i baseball pitching coach in 2027 after spending one season as the director of pitching development. A standout bullpen arm for the Rainbow Warriors as a player from 2021-24, Harrison finished as the program’s all-time leader in relief appearances with 70.

COACHING EXPERIENCE
Hawai'i - Assistant Coach - Pitching Coach (2027-present)
Hawai'i - Director of Pitching Development (2026)

COACHING HIGHLIGHTS

• Helped lead a UH pitching staff that finished third nationally with a 3.44 ERA in 2026.
• The Rainbow Warriors also ended the 2026 season in the top five nationally in shutouts (3rd), WHIP (4th) and hits allowed per nine innings (5th).
• Key part of the success of Isaiah Magdaleno, helping him earn third-team All-America recognition from Baseball America and Perfect Game.
• Also helped guide Hekili Robello and Tsubasa Tomii to All-Big West honors in 2026.

PLAYING HIGHLIGHTS

• Completed career as the program’s all-time leader in relief appearances with 70.
• Also second in UH history with 76 total career appearances, just three off the record of 79 held by Ross Hayashi (1981-84).
• Finished four-year Rainbow Warrior career with a 3.68 ERA and 10 saves, with 108 strikeouts to just 37 walks over 135.1 innings.
• Led the team in appearances as both a junior and senior in 2023 and 2024, pitching in 25 games each season.
• Posted a 3.02 ERA as a senior in 2024, striking out 35 batters while allowing just two walks over 41.2 innings.
• Also finished with a WHIP of 0.96 while holding opponents to a .242 batting average.
• Led the team with seven saves in 2023 while finishing with a 2.70 ERA, working 53.1 innings with 43 strikeouts.
• Played two seasons of professional ball in the Pioneer League after completing his collegiate career.

ALMA MATER
Hawai‘i (2024) 

PLAYING CAREER
Sierra College, 2020
Hawai‘i, 2021-24