Watch Canelo Alvarez Knock Amir Khan Out Cold With Vicious Right Hand

Canelo Alvarez was locked in a close bout with Amir Khan on Saturday night in Las Vegas. Well, that was until Alvarez landed an absolutely brutal punch on Khan.

Khan almost was halfway toward claiming the middleweight championship, but Alvarez retained the title with a knockout blow at the 2:37 mark of the sixth round.

https://vine.co/v/iQrTjjQM15h

https://vine.co/v/iQrFBJ9UZDb

Yikes. That looks like it hurt, to say the least.

Thumbnail photo via Joshua Dahl/USA TODAY Sports Images

Thumbnail photo via Canelo Alvarez (red shorts) knocks out Amir Khan (maroon shorts)