CHICAGO - MAY 30: Derrek Lee #25 of the Chicago Cubs runs to cover first base against the Los Angeles Dodgers on...

CHICAGO - APRIL 19: Derrek Lee #25 of the Chicago Cubs hits his seventh home run of the season in the first...

CHICAGO - APRIL 19: Derrek Lee #25 of the Chicago Cubs hits his seventh home run of the season in the first...

Derrek Lee and Milton Bradley

Chicago Cubs' Ryan Theriot signals to teammate Derrek Lee from third base, after Lee hit a double against the St. Louis Cardinals in the fifth...

Chicago Cubs' Derrek Lee, center, is congratulated by teammates Rich Harden, left, and Ryan Theriot after hitting a three-run...

Chicago Cubs' Derrek Lee follows through on a two-run home run during the first inning of a baseball game...

Chicago Cubs' Derrek Lee runs past Atlanta Braves first baseman Casey Kotchman after hitting a two-run home run during...

July 5, 2009; Chicago, IL, USA; Chicago Cubs first baseman Derrek Lee (25) hits a two-run home run during the first inning against the Milwaukee Brewers at...

July 2, 2009; Chicago, IL, USA; Chicago Cubs first baseman Derrek Lee (25) hits a three-run home run during the first inning against the Milwaukee Brewers at...

CHICAGO - MAY 29: Derrek Lee #25 of the Chicago Cubs bats against the Los Angeles Dodgers on May 29, 2009 at...

Chicago Cubs' Derrek Lee watches his grand slam during the fifth inning of a baseball game against the Milwaukee Brewers...

Chicago Cubs' Jake Fox, right, is congratulated by teammate Derrek Lee after hitting a two-run home run against the Chicago White Sox in the fourth inning...

Chicago Cubs' Derrek Lee, right, celebrates with third base coch Mike Quade after hitting a two-run home run against...

Chicago Cubs' Derrek Lee, right, celebrates with Geovany Soto after hitting a solo home run against the Cleveland Indians during...