BYU notched a season-high team vault score of 49.100 at Magness Arena.
The Cougars scored another home meet season-best with a 195.600 behind their season-best vault and floor rotations.
The Cougars finish their three-week home stand with a Tri Meet against SUU and UC Davis.
The Cougars notched a new season-high floor score of 49.025 Friday night.
Freshman Addi Glazier earned BYU's MVP award after earning a career-high 9.825 on bars to close out the competition.
BYU will face in-state foes Utah, Utah State and Southern Utah Monday evening.
Andersen set the Cougars' high-score of the season on the balance beam.
Kylie Eaquinto and Mya Kirkham both competed in the All Around for the first time of their careers in BYU's Saturday showdown with Oregon State.