Desmond Claude scored a game-high 19 points to lead USC to a 70-64 upset win over No. 7 Michigan State in Los Angeles on Saturday.The Spartans (18-3, 9-1 Big Ten) suffered their first Big Ten loss of the season, snapping a 13-game winning streak.Wesley Yates scored 15 points and Chibuzo Agbo added 14 for USC (13-8, 5-5).Jeremy Fears scored 12 points and Jaden Akins had 11 in defeat for Michigan State, which saw 10 different players score.Neither team shot the ball well. Both sides knocked down 24-of-57 shots from the floor (42.1 percent). The Spartans were 5-of-15 (33.3 percent) from 3-point range and 11-of-19 (57 percent) from the free-throw line. On the other side, the Trojans made 31.8 percent (7-of-22 shots) from beyond the arc.USC never trailed in the game.With Jaden Akins’ 3-pointer to complete a 7-0 run, Michigan State cut USC’s lead to 55-52 with 8:37 remaining, but USC responded with a 10-4 spurt to grab a 65-56 lead with 3:51 left.The Spartans cut USC’s lead to 66-61 with 1:36 remaining following a free throw by Fears and got the ball back with a chance to draw closer, but a shot-clock violation gave USC the ball back with 39.3 seconds remaining.