COLUMBIA, S.C. — South Carolina defeated Oregon twice on Sunday to advance to the NCAA Super Regionals.

COLUMBIA, S.C. — South Carolina defeated Oregon twice on Sunday to advance to the NCAA Super Regionals.

South Carolina (38-24) beat Oregon 2-0 in the early game, then defeated the Ducks 4-3 in the second on Jessica Josker's walkoff single in the bottom of the seventh.

South Carolina rallied from a three-run deficit in the bottom of the sixth. Ashton Payne hit a two-run triple and Lindsay Walker hit an RBI single to tie the game at 3-3.

The Gamecocks will face Northwestern in their Super Regional next weekend.

Michigan 7, Oregon St. 0

At Ann Arbor, Mich., freshman Maggie Viefhaus hit a first inning grand slam and Michigan went on to defeat Oregon State to advance to the NCAA Super Regionals.

Viefhaus drove in five runs for the Wolverines (46-11), who will play Baylor in a best-of-three series in Waco, Texas, next weekend.

The loss eliminated the Beavers (41-23) from the postseason.

Michigan's Lorilyn Wilson (24-6) allowed two hits in her complete game shutout. She struck out eight.