Andy Pettitte made a successful return to the mound Wednesday. Now the Yankees might want to consider moving him to the bullpen.

Pettitte delivered five scoreless innings in his first start since suffering a fractured left fibula on June 27, then watched the bullpen hang on for dear life in a 4-2 win over the Blue Jays to kick off the day-night doubleheader at Yankee Stadium.

Dave Robertson allowed two runs in the eighth to bring Toronto within a run, but Rafael Soriano bailed him out by getting the final out in the inning before pitching a scoreless ninth for his 41st save.