Bob Arum said Julio Cesar Chavez could fight Brian Vera next, and eventually, Andre Ward.
Lem's latest: Mayweather: '30 Days in May' airs Wednesday
Showtime's one-hour documentary 30 days in May gives a glimpse of Floyd Mayweather's 87-day jail stay in the Clark County Detention Center last year in advance of his May 4 showdown with Robert Guerrero. The show airs tonight at 10:00 p.m. ET/PT.

