 Complete the following phrase:  Wainwright pitched capably as a middle reliever, but when incumbent closer Jason Isringhausen underwent season-ending hip surgery in September, Wainwright was pressed into service as the closer. He saved two crucial games on September 27 and 30 as St. Louis held off Houstons late charge and won the NL Central Division championship. Despite their unexceptional 8378 regular-season record, the Cardinals rolled through October to win the 10th world championship in franchise history. As the closer, Wainwright closed out the final game of the Cardinals National League Division Series, ending the New York Mets season and propelling the Cardinals to the 