Talia Walton added 13 points for the Huskies (17-6, 9-3 Pac-12), who bounced back after a loss Friday night to No. 17 UCLA.
Davis' basket with 1:20 left gave Washington a 59-58 lead, and she made two free throws with less than 20 seconds to play to make it a three-point game.
Cassie Harberts scored 16 points to lead USC (8-15, 5-7) and she also matched a team high with eight rebounds. Ariya Crook scored 15 and Desiree Bradley added 11 points.
Washington held a 13-point lead early in the second half, but the Trojans came back to lead 51-49 with 7:40 to play. The lead went back and forth after that but Southern California lost for the fourth straight game.
More Sports Headlines
Washington pummels No. 20 Washington State 45-10 in Apple Cup 7:44 p.m. Silvertips assistant coach Love turns second chance into gold Gonzaga holds off No. 18 UConn 73-70 Cowboys QB Romo out for the season Bucks’ Jason Kidd suspended for conduct toward ref Western Michigan upsets No. 24 Toledo 35-30 6:01 p.m. No. 18 Oregon holds off rallying Oregon State 52-42 6:00 p.m. Ward leads No. 21 Houston to 52-31 win over No. 16 Navy 5:59 p.m.
Our new comment system is not supported in IE 7. Please upgrade your browser here.