Georges St Pierre Retirement? Jon Jones Tells GSP 'Go Get A Belly,' Doesn't Owe Anyone 'Explanation' For Leaving UFC, Vacating Welterweight Championship [VIDEO]

Georges St. Pierre vacated his UFC welterweight title late last week, deciding that he needed to step away from training and fighting after a grueling battle with Johny "Big Rig" Hendricks left him battered in his last match.