UC Riverside Highlanders pitcher Matthew O'Brien has a 4.75 ERA with 40 strikeouts in 77.2 innings pitched in 2026. The SR from Simi Valley, Calif. and attended Hawai'i Hilo. View O'Brien's stats, bio, and schedule on Dugout Sports.
Matthew O'Brien 2026 Pitching Stats: 3-7, 4.75 ERA, 40 SO, 77.2 IP, 1.52 WHIP
▸ UC Riverside Highlanders · LHP · SR