Wainwright made his first appearance of the season since April .
Wainwright pitched an inning of relief in the first game of a doubleheader against Pittsburgh on September 30 , an 8 -- 2 loss .
Making his first appearance of the season since April , Wainwright pitched an inning of relief in the first game of a doubleheader against Pittsburgh on September 30 , an 8 -- 2 loss .