UFC Vegas 66 delivered some late 'Knockout of the Year' contenders to in the last fight card of 2022. Surging featherweight Alex Caceres knocked out fellow up-and-comer Julian Erosa in the very first round with a stunning head kick, followed by vicious ground and pound. 'Bruce Leeroy' was significantly off balance while throwing the kick after missingly badly with a rear left hand.Watch Caceres' KO below:Spinnin Backfist@SpinninBackfistWHAT A WILD HEADKICK & GNP KO BY ALEX CACERES #UFCVegas661905344WHAT A WILD HEADKICK & GNP KO BY ALEX CACERES #UFCVegas66 https://t.co/CU2gfM0gNf View this post on Instagram Instagram PostA fan noted that 'Bruce Leeroy' was able to land the fatal head kick as he did not lose focus after missing with the punch. @MrGuyG wrote:"After his rear hand was slipped his eyes were still fixed and he put that kick right where he wanted, beautiful job."Guy@MrGuyG@aaronbronsteter After his rear hand was slipped his eyes were still fixed and he put that kick right where he wanted, beautiful job.@aaronbronsteter After his rear hand was slipped his eyes were still fixed and he put that kick right where he wanted, beautiful job.TSN's Aaron Bronsteter considers it a 'KO of the Year' contender from 'from a strictly technical standpoint'.Aaron Bronsteter@aaronbronsteterFrom a strictly technique standpoint, that Caceres KO was one of the best of the year.32219From a strictly technique standpoint, that Caceres KO was one of the best of the year.A clash of lightweight veterans Bobby Green and Drew Dober on the UFC Vegas 66 main card also produced another 'KO of the Year' contender. Green had his back against the cage when Dober slept him with a left hook in round 2. Follow up shots were hardly necessary.Watch the KO below:Al Zullino@phreDrew Dober knocks Bobby Green out cold! #UFCVegas6632570Drew Dober knocks Bobby Green out cold! #UFCVegas66 https://t.co/h1I2t3Q1JYVerdict MMA called it a 'Knockout of the Year' contender before acknowledging that Caceres KO could be better.Verdict@VerdictMMAA late contender for the 2022 knockout of the year.#UFCVegas66432A late contender for the 2022 knockout of the year.#UFCVegas66 https://t.co/ww2R2DHJO5Verdict@VerdictMMAWe called Drew Dober's fight a late KO of the year contender.Caceres’ knockout might be even better. #UFCVegas6625We called Drew Dober's fight a late KO of the year contender.Caceres’ knockout might be even better. #UFCVegas66 https://t.co/EDpLwL3BS8Other UFC 'Knockout of the Year' contenders for 2022Like every other year, the UFC has had no dearth of highlight-reel finishes in 2022. Take a look at some of the top contenders for the 'Knockout of the year': Kamaru Usman vs. Leon Edwards 2Leon Edwards challenged Kamaru Usman for the welterweight title at UFC 278 back in August. After getting dominated for most of the fight, 'Rocky' slept Usman with a stunning head-kick with thirty seconds left in the clock. The title being on the line likely grants even more weightage to one of the biggest upset KOs of all time. Michael Chandler vs. Tony FergusonTony Ferguson was looking to end a three-fight skid when he faced Michael Chandler at UFC 274 in May. 'El Cucuy' fans were happy to see the veteran's old self as he visibly stunned Chandler in the opening round. That was all before 'Iron' shut Ferguson's lights off with a front kick to the face in round 2.