Miami Marlins' Carlos Zambrano stretches as he returns to Wrigley Field for the first time after leaving the Chicago Cubs last season, before a baseball game between the Cubs and the Marlins on Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins' Carlos Zambrano, center, talks with Chicago Cubs' Ryan Dempster as Zambrano returns to Wrigley Field for the first time after leaving the Cubs last season, before a baseball game between the Cubs and the Marlins Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins' Carlos Zambrano walks out of the Chicago Cubs' dugout as he returns to Wrigley Field for the first time after leaving the Cubs last season, before a baseball game between the Cubs and the Marlins on Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Reporters are reflected in the glasses of Miami Marlins starting pitcher Mark Buehrle before a baseball game between the Chicago Cubs and the Marlins on Tuesday, July 17 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Cubs starting pitcher Travis Wood delivers during the second inning of a baseball game against the Miami Marlins on Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins' Carlos Zambrano looks out of the visitors' dugout as he returns to Wrigley Field for the first time after leaving the Chicago Cubs last season, before a baseball game between the Cubs and the Marlins Tuesday, July 17 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins' Omar Infante hits a two-run home run off Chicago Cubs starting pitcher Travis Wood during the fourth inning of a baseball game Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Cubs starting pitcher Travis Wood (30) kicks the mound after giving up a two-run home run to Miami Marlins' Omar Infante, background, during the fourth inning of a baseball game Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins' Carlos Lee, right, celebrates his grand slam off Chicago Cubs starting pitcher Travis Wood with teammates Jose Reyes, Emilio Bonifacio, and Anibal Sanchez, during the fifth inning of a baseball game Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago Cubs starting pitcher Travis Wood returns to the mound after giving up a grand slam to Miami Marlins' Carlos Lee, background during the fifth inning of a baseball game Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins' Carlos Lee watches his grand slam off Chicago Cubs starting pitcher Travis Wood during the fifth inning of a baseball game Tuesday, July 17 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins' Carlos Lee, right, celebrates his grand slam off Chicago Cubs starting pitcher Travis Wood with teammate Anibal Sanchez, during the fifth inning of a baseball game Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Home plate umpire Jim Wolf, right, watches as Miami Marlins' Hanley Ramirez scores on his home run off Chicago Cubs relief pitcher Jairo Asencio during the seventh inning of a baseball game Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins manager Ozzie Guillen signals for left-handed relief pitcher Randy Choate during the eighth inning of a baseball game against the Chicago Cubs on Tuesday, July 17 2012, in Chicago. (AP Photo/Charles Rex Arbogast)

Miami Marlins first baseman Carlos Lee, left, and second baseman Omar Infante celebrate the Marlins' 9-5 win over the Chicago Cubs in a baseball game Tuesday, July 17, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)