LOS ANGELES -- Reggie Moore had 21 points and six assists to lead Washington State past Southern Cal 67-60 on Thursday.
The Cougars (14-5, 4-3 Pac-10) trailed by as many as 15 before mounting a comeback midway through the second half.
Koprivica's 3-pointer put Washington State ahead 54-53 with 4:15 remaining -- the Cougars' first lead since midway through the first half.
The Cougars made 14 of 25 field goals and committed three turnovers in the second half.
Koprivica made all three of his 3-pointers in the second half while helping the Cougars mount a comeback.
Nike Men's USC Trojans Cardinal Basketball Practice ELITE Stripe ShortsShop
Colorado State graduate transfer John Gillon has chosen Syracuse, giving the Orange a potential starter at point guard entering the 2016-17 season.
DeSean Murray, who averaged 20.2 points as a sophomore at Presbyterian, will transfer to Auburn to play for coach Bruce Pearl.
Former Kentucky guard Ed Davender, the only Wildcat with at least 1,500 points and 400 assists, has died. He was 49.