Live Chat: Fedor & UFC, UFC: MacDonald-Thompson Preview, Bellator, WSOF

Could Fedor Emelianenko sign with the UFC? Will Stephen Thompson beat Rory MacDonald at UFC Fight Night 89? Bellator 156 and WSOF 31 are this week: who has the best fight card? What does Chad Mendes testing positive by USADA mean? We answer these questions and more on this week's Promotional Malpractice Live Chat.