Ryan Brimley scored 26 points, including four 3-pointers, to lead Southern Utah past California-Riverside 76-65 Monday night.
Davis Baker added 16 points, including four 3-pointers, for the Thunderbirds (4-8). Matt Massey had 10 points.
Kyle Austin had 21 points and 14 rebounds to lead UC Riverside (6-5), which outrebounded Southern Utah 39-33.
The Highlanders outscored Southern Utah in the paint 34-16 but couldn't overcome the Thunderbirds' strength from behind the 3-point line, where they hit 10 of 20 shots. Along with the eight 3s between Brimley and Baker, Drew Allen hit two. UC Riverside hit 5 of 19 from 3-point range.
The Highlanders also struggled from the free-throw line, hitting just 12 of 27 (44.4 percent), while Southern Utah made 22 of 28 (78.6 percent).