A laser-focused Samuel “Main Event” Clarkson (19-3, 11 KOs) will step onto the world stage on Friday, April 14, as the Uprising Promotions light heavyweight faces unbeaten prospect Dmitry Bivol (9-0, 7 KOs) for the Interim WBA World Championship. The bout will serve as the feature attraction of ShoBox: The Next Generation, with the fight taking place at MGM National Harbor in Oxon Hill, Md., just outside of Washington, D.C.