Brendan Donovan hit a solo homer in the third and followed it up with an RBI single two innings later and Alec Burleson drove in three runs, leading the St. Louis Cardinals past the San Francisco Giants 6-1. José Fermín hit an RBI single in the sixth as the Cardinals backed rookie righty Michael McGreevy, who stuck out six with no walks while allowing one run on five hits over eight impressive innings. Giants rookie right-hander Hayden Birdsong struck out 10 of the initial 15 Cardinals hitters a