UFC middleweight Israel Adesanya speaks to Submission Radio ahead of his UFC 236 fight against Kelvin Gastelum about Paulo Costa's claims that Israel declined the fight originally, as well as the recent rumours about Costa failing a USADA test, which originally came from Yoel Romero. Sign Up for your Free Trail of ESPN+ The New Home Of UFC https://espn.zlbu.net/PaB2X OFFICIAL T-SHIRTS & APPAREL: http://bit.ly/2aH7OoA SUBSCRIBE FOR MORE: http://bit.ly/2arsrDN Submission Radio is Now Available on iTunes, Stitcher, Tune In and Soundcloud! http://submissionradio.com TWITTER: https://bit.ly/2KvNVhe FACEBOOK: http://bit.ly/2aIta5z