The junior outfielder went 5-for-13 with nine RBI, two runs, a double and a home run last week.
UCLA (21-5, 8-1) is now in sole possession of first place in the Pac-12 Conference.
Grant Watson earned his 26th career win, making him the winningest LHP in UCLA history.
James Kaprielian struck out nine batters over eight innings and David Berg earned his fifth save.
The Bruins carry a 5-1 Pac-12 record into a three-game road series against the Cougars.