San Francisco Giants' Yusmeiro Petit works against the San Diego Padres in the first inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. (AP Photo/Ben Margot)

San Diego Padres' Alexi Amarista, right, celebrates with Everth Cabrera (2) after Amarista scored against the San Francisco Giants in the second inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. Amarista scored after a sacrifice bunt by Eric Stults and a throwing error by Giants' Ryan Theriot. (AP Photo/Ben Margot)

San Diego Padres' Eric Stults works against the San Francisco Giants in the first inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. (AP Photo/Ben Margot)

San Francisco Giants' Eli Whiteside swings for an RBI sacrifice fly off San Diego Padres' Eric Stults in the fourth inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. (AP Photo/Ben Margot)

San Diego Padres' Yasmani Grandal follows through on an RBI single hit off San Francisco Giants' Yusmeiro Petit in the fifth inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. (AP Photo/Ben Margot)

San Diego Padres' Logan Forsythe, right, prepares to score past San Francisco Giants catcher Eli Whiteside in the fifth inning of a baseball game Sunday, Sept. 23, 2012, in San Francisco. Forsythe scored on a single by Yasmani Grandal. (AP Photo/Ben Margot)

San Diego Padres' Cameron Maybin (24) breaks up a double play with San Francisco Giants shortstop Emmanuel Burriss in the sixth inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. Padres' Alexi Amarista was safe at first base on the play. (AP Photo/Ben Margot)

San Diego Padres' Yonder Alonso swings for a two-run single off San Francisco Giants' Clay Hensley in the seventh inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. (AP Photo/Ben Margot)

San Diego Padres' Logan Forsythe, right, and Everth Cabrera (2) celebrate after scoring against the San Francisco Giants' in the seventh inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. Both men scored on a single by Yonder Alonso. (AP Photo/Ben Margot)

San Diego Padres' Mark Kotsay (14) is congratulated after hitting a home run off San Francisco Giants' Brad Penny in the eighth inning of a baseball game, Sunday, Sept. 23, 2012, in San Francisco. (AP Photo/Ben Margot)

San Diego Padres catcher Yasmani Grandal, left, congratulates pitcher Huston Street at the end of a baseball game against the San Francisco Giants, Sunday, Sept. 23, 2012, in San Francisco. (AP Photo/Ben Margot)

Yonder Alonso de los Padres de San Diego conecta un sencillo de dos carreras contra los Padres de San Francisco en la séptima entrada, el domingo 23 de septiembre de 2012, en San Francisco. (Foto AP/Ben Margot)