Nigerian- New Zealander mixed martial artist, Israel Adesanya has moved up to No 2 in the UFC men’s pound-for-pound rankings following his win over Robert Whittaker.    ‘Stylebender’ put on a striking masterclass to win a unanimous decision over his rival at UFC 271 over the weekend. He overtakes featherweight champion Alexander Volkanovski, who slips back down to third but could move back up if he beats Chan Sung Jung on April 9.    Kamaru Usman remains in the top spot but the Nigerian allegiance between the welterweight …