Madison bumgarner

SAN FRANCISCO - Chase Headley homered and singled in the go-ahead run in the eighth inning as the San Diego Padres spoiled an impressive major league debut by San Francisco starter Madison Bumgarner with a 4-3 victory over the Giants on Tuesday night.

SAN FRANCISCO - San Francisco Giants ace Tim Lincecum was scratched from his scheduled start Tuesday night against San Diego because of spasms and inflammation in the lower left side of his back.