Senior Ally Carda had a bases-clearing double and tied a career high in strikeouts with 11.
Stephany LaRosa, Gabrielle Maurice and Brittany Moeai all had two-hit games for the Bruins.
UCLA had a dozen hits and two freshmen were in command in the circle in a win over the Thunderbirds.
UCLA benefited from six errors in Friday's opening win, but made three in the nightcap in a loss.
UCLA plays Friday and Saturday in Lakewood and Sunday at Long Beach State.
UCLA matched Nebraska's third-inning run with five of its own in Sunday's victory.
Freshman Johanna Grauer tossed a complete-game shutout with eight strikeouts in Saturday's victory.
Each of the top four spots in the lineup had a hit and RBI, while Allexis Bennett added three hits.
UCLA knocked off Indiana 7-4 before falling to #25 Texas 5-3 on Thursday in Cathedral City.
Prestigious tournament features Bruins playing three ranked teams.
Maurice earns her first career Player of the Week honor.
Ally Carda tossed the second no-hitter of her career and the 106th in UCLA history on Sunday.