Chicago Cubs pitcher Chris Rusin throws to an Arizona Diamondbacks batter during the first inning of a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Arizona Diamondbacks pitcher Josh Collmenter (55) throws against the Chicago Cubs in the first inning of a baseball game, Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Arizona Diamondbacks' Justin Upton, right, slides home safely in the first inning in front of Chicago Cubs catcher Anthony Recker during a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Arizona Diamondbacks center fielder A.J. Pollock dives for but misses the ball on a double by Chicago Cubs' Anthony Rizzo during the third inning of a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Arizona Diamondbacks second baseman Aaron Hill, right, tags out Chicago Cubs' Anthony Rizzo on a pick-off play in the third inning of a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Chicago Cubs' David DeJesus, left, slides into third safely while avoiding Arizona Diamondbacks third baseman Cody Ransom (1) in the seventh inning of a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Arizona Diamondbacks catcher Wil Nieves, left, tags out Chicago Cubs' David DeJesus, who was trying to score in the seventh inning of a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Chicago Cubs' Starlin Castro (13) and Dave Sappelt (17) score on a pinch-hit single by Bryan LaHair during the sixth inning against the Arizona Diamondbacks in a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Arizona Diamondbacks third baseman Cody Ransom (1) turns the double play while avoiding Chicago Cubs' Dave Sappelt (17) in the eighth inning during a baseball game on Sunday, Sept. 30, 2012, in Phoenix. Anthony Recker was out at first. (AP Photo/Rick Scuteri)

Chicago Cubs third baseman Luis Valbuena makes an off-balance throw for the out against Arizona Diamondbacks' Jake Elmore during the eighth inning of a baseball game on Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)

Chicago Cubs center fielder Tony Campana (1) and teammates celebrate after defeating the Arizona Diamondbacks 7-2 in a baseball game Sunday, Sept. 30, 2012, in Phoenix. (AP Photo/Rick Scuteri)