Allen scored a unanimous decision over Acevedo in their six-round bout which took place at the Mid Hudson Civic Center, Poughkekepsie, New York.
Allen takes his record to 11 wins without a defeat while his 36-year old Puerto Rico opponent has now lost seven of his 11 fights with one draw.
Judge Bill Costello scored the bout 59-53, judge Steve Epstein 59-54 and judge George De Gabriel 58-55 all for Allen.
