Chicago Cubs' Scott Feldman hits an RBI single off Texas Rangers starting pitcher Nick Tepesch, scoring Luis Valbuena, with two outs in the fourth inning of a baseball game, Monday, May 6, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Cubs starting pitcher Scott Feldman works in the first inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Cubs batter Luis Valbuena starts the Cubs 5-run rally with a double in the fourth inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Texas right fielder Nelson Cruz makes a backhanded catch of a low drive off the bat of Darwin Barney for the first out of the seventh inning during the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Pitcher Scott Feldman

Cubs baserunner Scott Feldman scores on a single by Starlin Castro in the fourth inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Texas centerfielder Leonys Martin tracks down an RBI single by Cubs batter Scott Feldman in the fourth inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Cubs shortstop Starlin Castro can't handle the throw as Texas baserunner Nelson Cruz steals second base and advances to third on catcher Wellington Castillo's throwing error in the fourth inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Texas second baseman Ian Kinsler boots a grounder by Starlin Castro for an error in the third inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Cubs baserunners David DeJesus and Starlin Castro (R) high five each other after both scored on Anthony Rizzo's single in the fourth inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Cubs baserunner Alfonso Soriano stays on second base as Texas shortstop Elvis Andrus smiles in disbelief when he was called safe with a stolen base in the first inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times

Cubs baserunner David DeJesus is safe at second with a stolen base as Texas shortstop Elvis Andrus can't handle the throw from catcher Geovany Soto in the first inning of the Chicago Cubs-Texas Rangers game Monday May 6, 2013 at Wrigley Field. The error allowed DeJesus to take third on the play and he later scored in the inning. | Tom Cruze~Sun-Times

Elena Delle Donne of the Chicago Sky WNBA team throws out a ceremonial first pitch before the Chicago Cubs host the Texas Rangers Monday May 6, 2013 at Wrigley Field. | Tom Cruze~Sun-Times