Sam Young scored 32 points and DeJuan Blair added another double-double as top-seeded Pittsburgh advanced to the round of 16 for the fifth time in eight years with an 84-76 win over Oklahoma State on Sunday. Pittsburgh (30-4) will play Xavier in the East Regional semifinals in Boston on Thursday. Obi Muonelo scored 19 points for the eighth-seeded Cowboys (23-12), who gave the Panthers all they could handle before losing their touch in the final minutes. Oklahoma State made 10 3-pointers in the first half but made only two of 12 from long range after halftime. Midwest Regional Louisville 79, Siena 72: At Dayton, Ohio, Terrence Williams had 24 points and 15 rebounds, rallying the top-seeded Cardinals to a victory over the Saints in the second round. Louisville (30-5) advanced to the round of 16 for the second straight year. The Cardinals will play 12th-seeded Arizona in the Midwest Regional on Friday in Indianapolis. Michigan State 74, USC 69: At Minneapolis, Travis Walton scored 18 points to lift the second-seeded Spartans into the round of 16. Kansas 60, Dayton 43: At Minneapolis, Cole Aldrich posted a triple-double with 13 points, 20 rebounds and 10 blocked shots to lead defending champion Kansas past 11th-seeded Dayton. Arizona 71, Cleveland State 57: At Miami, Nic Wise and 12th-seeded Arizona again adapted well to its spot as a tournament long shot, building an early 14-point lead and eliminating Cleveland State. South Regional Syracuse 78, Arizona State 67: At Miami, Eric Devendorf hit a pair of 3-pointers less than a minute apart to halt a big Arizona State rally as the third-seeded Orange held on to advance. West Regional Missouri 83, Marquette 79: At Boise, Idaho, Kim English came off the bench to “pinch shoot” and made two free throws with 5.5 seconds left to lift the Tigers. It was quite an encore for English, who scored 15 points during one 4½ minute stretch in the first half and helped third-seeded Mizzou (30-6) turn a six-point deficit into a 16-point lead. Jerel McNeal matched his career high with 30 points in helping Marquette rally. Wesley Matthews scored 24, but it wasn't enough.
