SELDEN, N.Y. - Eddie Chambers improved to 28-0 on Friday night, stopping Derric Rossy at 2:32 of the seventh round to take the vacant USBA heavyweight title.
Chambers was listed as a -250 favorite to win the fight.
Chambers, the Philadelphia fighter who weighed in at 218 pounds, survived a slight cut over his left eye in the second round and totally dominated the bout before referee Arthur Mercante Jr. stopped the fight when Rossy's left eye closed.
Chambers has 16 career knockouts. Rossy, a 248-pound former Boston College football player, had won his previous 15 fights, nine by knockout.
In another heavyweight fight, undefeated Chris Arreola of Riverside, Conn., extended his streak to 18 - 17 by KOs - when he stopped Zakedn Graham at 2:42 of the third round.
Arreola, 229, sent Grajam to canvas early in the third round with a left hook. After a barrage of body shots and another left hook to the head, referee Wayne Kelly stopped the fight. Graham dropped to 10-2-1.