Patricky "Pitbull" Freire def. Toby Imada via TKO at 2:53 of the first round.
As voted on by fans of MMAmania.com, Anderson Silva's front kick knockout of Vitor Belfort at UFC 126 was the greatest knockout of 2011.
Check out a list of the best knockouts in mixed martial arts (MMA) and the UFC in 2011 and cast your vote for the best, most memorable, finish of an action-packed year.
This is a rundown of the poll for the best knockout of the first half of 2011 in MMA. Bloody Elbow readers will vote on what they think was the best one from the list.