A Sox fan teases her friends. (Tom Cruze Sun-Times)

Cubs and Sox fans promise not to protest before the Chicago White Sox defeat the Chicago Cubs 6-0. (Tom Cruze/Sun-Times)

A Sox fan celebrates the Chicago White Sox 6-0 win over the Chicago Cubs 6-0 Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Cub fans cheer as they score four runs in the ninth inning but the Chicago White Sox hung on to defeat the Chicago Cubs 7-4 Saturday May 19, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Cubs fans heckle A.J. Pierzynski of the White Sox as Pierzynski catches a pop up in the seventh inning at Wrigley Field Friday, May 18, 2012, in Chicago. | John J. Kim~Sun-Times

Will Ohman of the White Sox sprays water on baseball fans in the bleachers during batting practice at Wrigley Field Friday, May 18, 2012, in Chicago. | John J. Kim~Sun-Times

A Cubs fan and White Sox fan talk before the game at Wrigley Field Friday, May 18, 2012, in Chicago. | John J. Kim~Sun-Times

White Sox fan Ricardo Ramos and his Cubs fan wife Daisy talk with an usher at Wrigley Field Friday, May 18, 2012, in Chicago. | John J. Kim~Sun-Times

A Cubs fan and White Sox fan talk before the game at Wrigley Field Friday, May 18, 2012, in Chicago. | John J. Kim~Sun-Times

Chicago Police and security helped calm things down as tempers flared after the Chicago Cubs lost to the Chicago White Sox 6-0 Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Chicago Police and security helped calm things down as tempers flared after the Chicago Cubs lost to the Chicago White Sox 6-0 Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Chicago Police and security helped calm things down as tempers flared after the Cubs lost to the White Sox. (Tom Cruze/Sun-Times)

Cubs pitcher Matt Garza beats the heat with a towel over his head as the Chicago Cubs play the Chicago White Sox Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Justin Woods, 11, from Flossmore wouldn't mind a tie between the Cubs and Sox as they play game three of the crosstown classic Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Lynn Kwasny really wants a Cub victory as they take on the Chicago White Sox Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Renae Johnson of Woodridge, Illinois wears a broomstick barrette in her hair in anticipation of a White Sox sweep over the Cubs Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

A groundskeeper retrieves a ball in the basket from batting practice as they get the field prepared for the game pitting the Chicago Cubs against the Chicago White Sox Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Former Cub great Fergie Jenkins tosses his hat to the crowd after singing the seventh inning stretch during the Chicago White Sox 6-0 win over the Chicago Cubs Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

The Chicago White Sox were presented with the BP Cup after their 6-0 win over the Chicago Cubs Sunday May 20, 2012 to complete a three game sweep at Wrigley Field. | TOM CRUZE~Sun-Times

Cub fans cheer and a Sox fan wants a call to the bullpen as the Cubs score four runs in the ninth inning. The Chicago White Sox hung on to defeat the Chicago Cubs 7-4 Saturday May 19, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

General John R. Allen USMC; Commander, International Security Assistance Force talks with Cubs owner Tom Ricketts before the Chicago Cubs host the Chicago White Sox Saturday May 19, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Lian and Renae Johnson from Woodridge, Illinois wear broomstick barrettes in their hair in anticipation of a White Sox sweep over the Cubs Sunday May 20, 2012 at Wrigley Field. | TOM CRUZE~Sun-Times

Kerry Wood of the Cubs makes a curtain call after pitching in his final appearance as a Major League pitcher in the eighth inning at Wrigley Field Friday, May 18, 2012, in Chicago. | John J. Kim~Sun-Times