TEMPE, Ariz. -- Katie Hempen made a 3-pointer with 3:34 left in overtime to give Arizona State the lead and the Sun Devils made 6 of 8 free throws to hold off Southern California 94-86 on Friday night.
Deja Mann led the Sun Devils (13-2, 2-1 Pac-12) with 21 points.
Alexyz Vaioletama had 21 points for USC (10-6, 3-1). She forced overtime, hitting a 3-pointer with 2 seconds left in regulation to tie it at 77.
Vaioletama hit a jumper early in overtime to tie it at 79, and Courtney Jaco gave the USC an 81-79 lead.
Adrianne Thomas had a layup to give Arizona State a three-point lead and added a pair of free throws to make it 89-85 with 46 seconds left. Promise Amukamara made 3 of 4 from the line to make it 92-86, and Joy Burke capped the scoring with a layup in the closing seconds.