Clemson roughed up Arizona State ace Seth Blair for five runs on seven hits and went on to a 6-3 victory over the top-seeded Sun Devils in the College World Series on Monday.
Casey Harman pitched six strong innings for the Tigers, who had 14 singles against Arizona State.
Clemson (44-23) advances to a winners bracket game against Oklahoma on Tuesday. The Sun Devils (53-8) meet South Carolina in an elimination game.
Blair (12-1) walked four of the first 12 batters he faced. He left in the fifth inning after John Hinson's RBI single put the Tigers up 3-1.
Harman (8-3) was relieved by Alex Frederick after ASU loaded the bases in the seventh. Drew Maggi's RBI groundout cut Clemson's lead to 6-3, but the threat ended when Zack MacPhee struck out.