Junior featherweight Guillermo Rigondeaux has been stripped of his RING championship after going almost three years without a Top 5 opponent.
Chris Arreola tested positive for marijuana following a split-decision win over Travis Kauffman in December.
The New Jersey Athletic Control Board will meet on Thursday regarding what action to take after Antonio Tarver tested positive for a banned substance.
Undefeated Sean Monaghan blasted the match-up between Juergen Braehmer and Eduard Gutknecht for a secondary title on March 12.
Heavyweight contender Luis Ortiz finally gets an opponent for his March 5 HBO date as veteran gatekeeper Tony Thompson agreed to face the undefeated Cuban.