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.