The Cubs celebrate after beating the Diamondbacks 4-1 at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

The Cubs' Starlin Castro fails to beat the throw to Diamondbacks catcher Miguel Montero at the plate in the seventh inning. | John J. Kim~Sun-Times

Miguel Montero of the Diamondbacks tags out Starlin Castro of the Cubs at home plate in the seventh inning at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Carlos Marmol of the Cubs celebrates after the Cubs beat the Diamondbacks 4-1 at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Ryan Dempster of the Cubs high five's teammates after pitching in the fourth inning at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Darwin Barney of the Cubs is congratulated after scoring off a Luis Valbuena single in the fourth inning at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Darwin Barney of the Cubs falls on top of Paul Goldschmidt of the Diamondbacks after throwing to first for a double play in the second inning at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Ryan Dempster of the Cubs fist bumps teammates after pitching in the second inning at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Darwin Barney of the Cubs spits out water during batting practice at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Ryan Dempster of the Cubs talks with umpire Marvin Hudson after pitching in the third inning at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Starlin Castro of the Cubs falls to the ground after diving for a line drive hit by Aaron Hill of the Diamondbacks in the third inning at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Ryan Dempster pitched six scoreless innings and gave up four hits and three walks against the Diamondbacks. He struck out five. | John J. Kim~Sun-Times

Ryan Dempster pitched six scoreless innings and gave up four hits and three walks against the Diamondbacks. He struck out five. | John J. Kim~Sun-Times

Starlin Castro of the Cubs fips his batting helmet at the end of the third inning at Wrigley Field Saturday, July 14, 2012, in Chicago. Castro drove in a run in the inning. | John J. Kim~Sun-Times

Jay Cutler talks with a reporter after throwing out the ceremonial first pitch at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times

Jay Cutler throws out the ceremonial first pitch at Wrigley Field Saturday, July 14, 2012, in Chicago. | John J. Kim~Sun-Times