Former UFC middleweight champion Luke Rockhold has revealed his pre-fight weight and he's a big middleweight, coming in at the UFC light-heavyweight mark. Adding to this point, is that his opponent has fought at welterweight, and is small for the 185lb division. Luke Rockhold faces off with new champion Robert Whittaker in the UFC 221 main event. The two will fight for the UFC middleweight world title following GSP vacating the belt a few weeks ago. UFC 221 takes place on February 11, 2018 at Perth Arena in Perth, Western Australia. The night's main card will air live on pay-per-view. Rockhold took to Instagram with a video of himself hitting the scales. We were able to secure a screen shot of the video, showing his true weight. Check it out: The fight is still six weeks out, so Luke has plenty of time to shed the pounds. For MMA News click here.