UFC 168: Weidman vs Silva Part 2 is here. Who do you think will win the most highly anticipated championship rematch in UFC history: middleweight titleholder Chris Weidman or Anderson Silva?

Why is this match important? Let's recap. In July Weidman did what many thought impossible. He beat the clowning and taunting Silva, knocking him out with a left hook just a minute into the second round. Silva had gone undefeated in 16 consecutive fights, felling 14 different fighters.

But was it just a fluke for Weidman? Thanks to his taunting and showman antics, it was a fight that many think Silva lost rather than Weidman won. Silva will be smarter in the Octagon a second time around, and Weidman will need to prove his win was more than just luck. To that end, Weidman has spent the past six months doing little but preparing for this epic rematch and perhaps the biggest pay-per-view event of all time.

If Silva doesn't rebound, is retirement the next step? It might