13. Austin Trout
26-0-0 (14 KOs) | Junior Middleweight
Trout had been unknown to all but hardcore boxing fans, an unbeaten 154-pound beltholder who'd been toiling in obscurity, before a Dec. 1 defense of his WBA title against Miguel Cotto at the Garden. After a convincing points win, he's one of the division's hottest names.