2019: Started 49 of 50 games … fifth-best among team leaders in batting average (.278) … had 52 hits, tied third on the team, with 24 runs scored … third on the team with 31 RBI … completed 6-of-9 stolen base attempts … had 17 multi-hit games … notched multiple RBI eight times … posted a season-high four RBI against New Mexico State, with two scoring in back-to-back at-bats … went 3-for-5 at UNLV (2/16), against California Baptist (4/6) and at UTRGV (4/28) … longest hit streak was five games … started the season by safely reaching base in 13-straight games (2/15-3/8).
2018: Appeared in 43 games, starting 22… appeared in two games as a relief pitcher, with a 6.00 ERA and two strikeouts in three innings… had a slash line of .219/.305/.260… went 1-2 with two runs, an RBI and a stolen base against Utah Valley (May 12)… went 3-5 with a double and three runs against Puget Sound (April 23).
HIGH SCHOOL: O'Brien graduated from Archbishop Murphy High School in Brier, Wash.… was First Team All-Cascade Conference, Second Team All-Area and Second Team All-State in 2017… Wildcats finished fifth in the district playoffs… named Team MVP… First Team All-Cascade Conference and team’s Best Defender in 2016… team placed fourth in the district playoffs in 2016… AMHS made the first round of state playoffs in 2015…
CLUB: Played for the Northwest Bandits from 2014-16… played for the Everett Merchants in 2017… runner-up in the 2017 NBC World Series.
PERSONAL: O'Brien is the son of Debbie and Joe O'Brien… has one younger sister, Elle… grandfather Johnny O’Brien, along with his brother Eddie O’Brien, are in the Seattle University Athletics Hall of Fame… the brothers played both basketball and baseball at Seattle U… pursuing a career in sports.