WBO interim junior middleweight champion Paul Williams (27-1, 14 KOs) will face WBC super welterweight champion Sergio Martinez (44-1-2, 34 KOs) on December 5 at Boardwalk Hall’s Adrian Phillips Ballroom in Atlantic City. The bout will be fought at middleweight poundage with no belts on the line. Williams was originally slated to face WBC/WBO middleweight champion Kelly Pavlik, but Pavlik pulled out with an injury. Heavyweight title challenger Chris Arreola (27-1, 24 KOs) is also expected to return on the card against TBA.