The Tigers (13-3) scored four in the seventh and added two in the eighth to earn the 10-6 win in Clemson, S.C.
Yale's six-run fifth is the largest run total allowed in an inning this season for Clemson. White's first homer of the season capped the fifth-inning to give the Bulldogs a 6-4 lead.
Andrew Herrera (2 hits) and Dai Dai Otaka followed Stiegler's homer with back-to-back hits to keep the rally going. After Richard Slenker flied out to center, White launched his homer to give Yale the lead.
Scott Politz (2-1) started for Yale, went seven innings and settled down to throw four scoreless frames after surrendering three runs in the first and one in the second.
The two teams will play again tomorrow at 3 p.m. in Clemson, S.C.
Report filed by Ernie Bertothy, Yale Sports Publicity