Arizona Diamonbacks starting pitcher Tyler Skaggs throws against the San Diego Padres in the second inning of a baseball game on Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

Arizona Diamonbacks center fielder Adam Eaton drops a catch off a hit by the San Diego Padres' Chris Denorfia in the first inning of a baseball game on Friday, Sept. 7, 2012, in San Diego. Denorfia singled on the play. (AP Photo/Gregory Bull)

San Diego Padres starting pitcher Andrew Cashner wipes his face as he heads to the dugout after the top of the first inning of their baseball game the against Arizona Diamondbacks Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

San Diego Padres' Chase Headley, right, is greeted at the plate by teammates Logan Forsythe, left, and Chris Denorfia,second from left, after driving them in on his three-run home run against the Arizona Diamondbacks in the third inning of their baseball game Friday, Sept. 7, 2012, in San Diego. Diamondbacks catcher Miguel Montero watches behind. (AP Photo/Gregory Bull)

San Diego Padres' Chase Headley points skyward as he rounds third base on his three-run home run against the Arizona Diamondbacks in the third inning of their baseball game Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

San Diego Padres first baseman Yonder Alonso, left, tags out Arizona Diamonbacks' Miguel Montero, right to complete a double play in the second inning of a baseball game on Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

Arizona Diamondbacks' Ryan Wheeler watches his double in the fifth inning of their baseball game against the San Diego Padres Friday, Sept. 7, 2012, in San Diego. The hit drove in two runs for the Diamondbacks. (AP Photo/Gregory Bull)

Arizona Diamondbacks shortstop John McDonald looks down after San Diego Padres' Chris Denorfia singled on a ball hit to McDonald during the fifth inning of a baseball game Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

Arizona Diamondbacks catcher Miguel Montero, right, chases a ball to the net as fans look to catch it during the fifth inning of their baseball game against the San Diego Padres Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

Arizona Diamondbacks' Miguel Montero, right, watches his double as San Diego Padres catcher Yasmani Grandal, left, looks on during the eighth inning of their baseball game Friday, Sept. 7, 2012, in San Diego. Montero's hit knocked in two runs to tie the game in the eighth inning. (AP Photo/Gregory Bull)

The San Diego Padres' Chase Headley hits a home run against the Arizona Diamondbacks during the eighth inning of their baseball game Friday, Sept. 7, 2012, in San Diego. Headley's second home run of the game gave the Padres the go-ahead run to win the game. (AP Photo/Gregory Bull)

Arizona Diamondbacks relief pitcher Takashi Saito of Japan throws against the San Diego Padres during the seventh inning of their baseball game Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

The San Diego Padres' Chase Headley is greeted at the dugout by manager Bud Black after hitting a home run against the Arizona Diamondbacks during the eighth inning of their baseball game Friday, Sept. 7, 2012, in San Diego. Headley's second home run of the game gave the Padres the go-ahead run to win the game. (AP Photo/Gregory Bull)

San Diego Padres starting pitcher Andrew Cashner throws during the first inning of their baseball game the against Arizona Diamonbacks Friday, Sept. 7, 2012, in San Diego. (AP Photo/Gregory Bull)

Chase Headley, derecha, de los Padres de San Diego, es felicitado por sus compañeros Logan Forsythe, izquierda, y Chris Denorfia tras batear un jonrón de tres carreras en el tercer inning de un partudo contra los Diamondbacks de Arizona el viernes, 7 de septiembre del 2012. (Foto AP/Gregory Bull)