Bob Arum said Julio Cesar Chavez could fight Brian Vera next, and eventually, Andre Ward.
Lem's latest: Mares says Russell 'hasn't fought anybody'
Unbeaten three-division titlewinner Abner Mares on a potential matchup with prospect Gary Russell Jr.: "Whenever this fight with Gary Russell were to happen, we'll find out then if I'm tailor-made for him."

