Minneapolis — At Minneapolis, Travis Walton scored a career-high 18 points and second-seeded Michigan State made it into the round of 16 for the eighth time in 12 years.

Durell Summers added 11 points and eight rebounds for the Spartans (28-6), who have reached the regional semifinals more times in the last dozen years than any team except Duke.

Dwight Lewis scored 19 points and DeMar DeRozan added 18 for USC (22-13).