Robert Whittaker vs. Luke Rockhold set for UFC 221

Update: UFC has officially announced that Georges St-Pierre has vacated the middleweight title resulting in Robert Whittaker becoming the undisputed champion.The UFC appears to be moving on with its middleweight division.
The promotion is on the verge of officially booking Robert Whittaker vs. Luke Rockhold for UFC 221 on Feb. 10 in Perth, Western Australia, MMAFighting.com has learned. It is unclear at this time whether the fight will be for Whittaker’s interim 185-pound title or Georges