Rankings: Pettis, VanZant on the move

In one of the more dramatic change-of-weight-class debuts in recent history, Anthony Pettis made a major splash in the featherweight division with his third-round submission win against jiu-jitsu ace Charles Oliveira in Vancouver.Pettis debuts at No. 6 in the this week’s official rankings release, taking Oliveira’s spot and re-emerging after a three-fight losing streak at lightweight as a serious title contender at 145 pounds.Oliveira drops two spots down to No. 8 and former No. 8 De