By Robert Morales

Golden Boy Promotions CEO Richard Schaefer informed that he is working on Amir Khan's next fight, which he is hopeful will take place on July 31 in England. Two of the possible opponents for Khan's next defense of the WBA junior welterweight title - are former champions Joel Casamayor and Michael Katsidis.

If Khan's fight comes together for that date, Schaefer said he would package that fight with the rematch between Juan Diaz and Juan Manuel Marquez that night at Mandalay Bay in Las Vegas. Both would be televised as part of an HBO pay-per-view feed.

"And the winners [of both bouts] might fight each other," Schaefer said to