Tune in Wednesday, May 22, at 6 p.m. EST as Knockout Radio returns LIVE with TUF and Bellator veteran Josh Rafferty, TRT expert Dr. David Hirschauer, Jeremy Fullerton from Topps to talk UFC trading cards and perhaps give away some schwag, as well as Norbert Hudak, who has an awesome WWE giveaway. As always, Knockout Radio has the best prizes, surprises, and celebrity guests! The phone lines will be open from 6 to 8 p.m. EST at 855-483-6646. The radio show player goes live below from 6 to 8 p.m. EST