On November 8, 1999, he was traded by the Dodgers (along with Pedro Borbón, Jr.) to the Toronto Blue Jays for Shawn Green and minor league player Jorge Nunez. Mondesí was traded by the Blue Jays to the New York Yankees on July 1, 2002 for Scott Wiggins. The Yankees traded him on July 29, 2003 to the Arizona Diamondbacks for David Dellucci, Bret Prinz and minor leaguer John Prowl.