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

On Saturday’s Premier Boxing Champions on NBCSN event held a final press conference Thursday in advance of their July 25 bouts at The Pearl at Palms Casino Resort. Televised coverage begins at 9 p.m. ET/6 p.m. PT and is headlined by former world champion Beibut Shumenov (15-2, 10 KOs) taking