Washington, DC based spoiler Demetrius Davis will attempt to continue his recent hot streak against Baltimore’s Corey Cummings May 29 at Du Burns Arena. Davis, who has a deceptive record at 19-14-5 (7 KO’s), defeated 14-0 Rowland Bryant, 16-6 Brian Norman and battled to a draw with well regarded prospect Tommy Karpency during his last…