No. 21 Bruins remain undefeated at the Los Angeles Tennis Center this year.
Knapp moves up the leader board with a 1-under par round.
Grant Watson, Grant Dyer and David Berg combine to shutout Michigan State, moving UCLA to 9-1.
Kari Korver led the Bruins with 15 points, tying a season-high with four three-pointers.
Tenth-ranked Bruins record season-best total in three-point win at Arizona State.