WBO orders purse bid for Peter Quillin-Mat Korobov ESPN.com’s Dan Rafael reported Thursday afternoon that the WBO has ordered negotiations to begin pitting their middleweight champion Peter Quillin against Mat Korobov. That’s all fine and dandy, but Quillin (31-0, 22 knockouts) is promoted (not on paper) by Golden Boy Promotions and Korobov (24-0, 14