Brian ‘Bionic Bull’ Cohen, 9-2, heads up an awesome 10 fight card when he faces Lafayette, Indiana’s Robbie ‘Taz Mexican Devil’ Tovar, 15-4-1, for the WBC Americas Light Heavyweight title at the Donna Cohen promoted ‘Brawl On Broad Street’ event at South Philadelphia High School in Philadelphia, PA on May 9. Cohen, who cuts an…