SEATTLE (AP) - Aleighsa Welch had 21 points and 11 rebounds, Tiffany Mitchell added 20 points and 10 boards, and top-seeded South Carolina used its size and athleticism to overwhelm No. 9 seed Oregon State 78-69 on Tuesday night in the second round of the NCAA tournament.
A year after getting upset by a 12 seed in the second-round of the tournament, the Gamecocks are headed to the Sweet 16 for the second time in three years under coach Dawn Staley. South Carolina (29-4) will face No. 4 seed North Carolina in the Stanford Region semifinals on Sunday. The Gamecocks lost to the Tar Heels 74-66 in December.
Welch's quickness around the rim flustered the Beavers. Whether she was following up misses or getting open for her own shot, Oregon State struggled to slow the junior forward.
Jamie Weisner led Oregon State (24-11) with 21 point.
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