McGregor, of course, is no stranger to controversial commentary. In the past, he has offended some observers with his sharp insults of opponents, in addition to comments considered to be racist or homophobic. This time, more than a few social media users took exception to his praise for Putin, with one writing in reply to the Irishman, "You may be my favorite fighter of all time but no, man, Putin is not a great leader. Unless you consider leading by fear and murder is considered great. Then yeah I guess he's great at murder."