Since June 24, third baseman Aramis Ramirez has been the Cubs' main run producer, hitting .367 (29-for-79) with 11 home runs, 21 RBI and 21 runs scored. His three-run homer Saturday off Javier Vazquez, his 16th homer of the season, accounted for the only Cubs runs in a 13-3 loss to the Florida Marlins. ''Nobody on our team except Ramirez has been hot [recently],'' pitcher Carlos Zambrano said. Ramirez, the subject of trade speculation in part because of his hitting and because he faces a contract option year, is surprised the Cubs have played so poorly. ''Actually, yes, because I don't think we're as bad as we've been playing,'' he said. ''When you have starters like we have in Zambrano and Ryan Dempster and Matt Garza, those three are good.'' But Ramirez shuns the notion of ''bad luck.''