The UFC will close out the 2013 schedule with back-to-back pay-per-view events at Las Vegas’ MGM Grand Garden Arena. As previously announced, the Dec. 28 UFC 168 event, which features the much-anticipated rematch between new middleweight champion Chris Weidman and ex-titleholder Anderson Silva , takes place at the Sin City venue. Now, the prior PPV event, UFC 167, which features welterweight champion Georges St-Pierre (24-2 MMA, 18-2 UFC) vs. longtime top contender Johny Hendricks (15-1 MMA, 10-1 UFC), also is scheduled for the same venue. UFC 167 takes place Nov