Megan Olivi interviews Justin Gaethje after his decision win against Rafael Fiziev in the co-main event of UFC 286 in London. #UFC286 #UFC #Gaethje ✔ For more UFC, sign up for ESPN+ http://espnplus.com/ufc/youtube ✔ Get the ESPN App: http://www.espn.com/espn/apps/espn ✔…