Mixed martial arts action is on hiatus during the coronavirus pandemic, but the PFL will help fill the void with an interesting new series. “Run it Back” will feature PFL fighters looking back on their million-dollar championship victories. The debut episode – which streams live Thursday night at 8 p.m. ET on the promotion’s YouTube, Twitter, Facebook and Instagram channels – will feature the company’s brightest star, two-time Olympic judo gold medalist Kayla Harrison . Harrison added to her lengthy list of sporting accomplishments on Dec