The first quarter of 2012 is over, and so in this week’s episode of Fuel TV’s ‘UFC Tonight’ show they decided to establish what were the five best knockouts of the year so far in the UFC.

5. Nick Denis KO’ing Joseph Sandoval by elbow strikes at ‘UFC On FX’.

4. Tim Boetsch uppercutting Yushin Okami senseless as Joe Rogan goes wild on the mic at this remarkable come-from-behind victory at UFC: Japan.

3. Stephen Thompson’s head kick KO against Dan Stiggen in his debut at UFC 143 followed by one of the best celebration moves ever.

2. Jose Aldo ending Chad Mendes title hopes with an out-of-the-blue knee strike at UFC 142 in Brazil.

1. Edson Barboza pole-axing Terry Etim with a beautiful but deadly spinning heel kick to the delight of the Brazilian crowd at UFC 142.

Check out the video below.