"Cold weather forced Game 3 of the National League Division Series to be pushed back until Sunday and led the Phillies to decide to start J.A. Happ instead of Pedro Martinez.

The Phillies revealed this change in their rotation on Saturday afternoon, a few hours after it had been announced that Game 3 against the Rockies will now be played on Sunday at Coors Field at 10:07 p.m. ET.

Happ, who will be making his first postseason start, was struck on the left leg with a line drive during a seventh-inning relief appearance during Game 2 on Thursday. The rookie left-hander threw just four pitches during the outing and has since said that his leg isn't bothering him. "