Bob Arum said Julio Cesar Chavez could fight Brian Vera next, and eventually, Andre Ward.
Photo gallery: Guerrero throws first pitch
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Robert "The Ghost" Guerrero threw out the first pitch at an Oakland A's home game less than one week before his welterweight bout against Selcuk Aydin in San Jose, Calif. Photos by Tom Hogan - Hoganphotos/Golden Boy Promotions. Click here for the photo gallery.
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Robert "The Ghost" Guerrero threw out the first pitch at an Oakland A's home game less than one week before his welterweight bout against Selcuk Aydin in San Jose, Calif.

