Bob Arum said Julio Cesar Chavez could fight Brian Vera next, and eventually, Andre Ward.
Schaefer: Guerrero 'dangerous' for Mayweather
Robert Guerrero's promoter believes the rugged welterweight contender will make for a "dangerous" opponent for Floyd Mayweather, whom he meets on May 4 at the MGM Grand in Las Vegas on Showtime Pay Per View.

