Chicago Cubs relief pitcher Aaron Heilman reacts after Washington Nationals' Elijah Dukes's grand slam during the fifth inning of a baseball game in Chicago, Tuesday, Aug. 25...

WASHINGTON - JUNE 7: Elijah Dukes #34 of the Washington Nationals bats during a baseball game against the New York Mets on...

Washington Nationals' Elijah Dukes (34) celebrates his three-run home run with teammates Lastings Milledge (44) and Ronnie Belliard, center...

WASHINGTON - SEPTEMBER 19: Elijah Dukes #34 of the Washington Nationals bats during a baseball game against the San Diego Padres on...

MELBOURNE, FL - FEBRAUARY 24: Elijah Dukes #34 of the Washington Nationals looks on during spring training work outs on February 24, 2008...

27 June 2008: Washington Nationals right fielder Elijah Dukes (34) in action against the Baltimore Orioles. The Washington Nationals defeated the Baltimore Orioles 4-2...

VIERA, FL - FEBRUARY 23: Elijah Dukes #34 of the Washington Nationals smiles after he is tagged out in a drill during practice...

VIERA, FL - FEBRUARY 23: Elijah Dukes #34 of the Washington Nationals smiles after he is tagged out in a drill during practice...

MELBOURNE, FL - FEBRAUARY 23: Elijah Dukes #34 of the Washington Nationals looks on during spring training work outs on February 23, 2008...

MELBOURNE, FL - FEBRAUARY 23: Elijah Dukes #34 of the Washington Nationals runs during spring training work outs on February 23, 2008 at...

...Devil Rays executive vice president of baseball operations Andrew Friedman, center, talks to reporters about outfielder Elijah Dukes before a baseball game with the Los Angeles Dodgers, Friday, June 22, 2007, in St. Petersburg...

Tampa Bay Devils Rays' Elijah Dukes round third base after hitting a home run in the fifth against the New York Yankees...