Tomorrow from the Chelsea at the Cosmopolitan, four world titles will be on the on line for the Showtime broadcast stemming from Las Vegas, Nevada. Erislandy Lara 153.5 vs. Vanes Martirosyan 153.75 Jermall Charlo 153 vs. Austin Trout 154 Jermell Charlo 153.25 vs. John Jackson 153.5 Beibut Shumenov 199 vs. Junior

Cruiserweight champion Beibut Shumenov (16-2, 10 KOs)will battle once-beaten Junior Wright (15-1-1, 12 KOs)and top contender B.J. Flores takes on Mexico’s Roberto Santos (12-3, 5 KOs) in a pair of boutsthat highlight undercard action on Saturday, May 21 from The Chelsea inside The Cosmopolitan of Las Vegas. The May 21