MARCUS BROWNE AND HUGO CENTENO ADDED TO UPCOMING PBC ON NBC CARD SATURDAY, SEPTEMBER 12

MASHANTUCKET, CT (August 21, 2015) - Undefeated light heavyweight rising star "Sir" Marcus Browne (15-0, 11 KOs) will take on former world champion Gabriel Campillo (25-7-1, 12 KOs) while undefeated middleweight