Canelo Alvarez vs. Amir Khan: Live Round-by-Round Results and Highlights

Canelo Alvarez knocked Amir Khan into next week with a devastating right hand in Round 6 to retain his WBC Middleweight Championship on Saturday night at the T-Mobile Arena in Las Vegas.

It was a sudden and scary end to a fight panned by many as a mismatch, but it delivered more than its share of dramatics before its conclusion.

Canelo (47-1-1, 33 KO) didn't get off to a good start. He wasn't able to neutralize the challenger's huge edge in speed through the first few rounds and seemed to be getting increasingly frustrated with his inability to close the gap and land.

Khan (31-4, 19 KO) fought well from distance and seemed to be making a concerted effort to limit exchanges by relying on his speed. He popped in and out, landing quick combos before the champion could set and return fire. 

The distance of the fight closed around the fourth round, with Canelo investing heavily in the body to slow Khan down and make him an easier target. It all built toward the end, which came on a right hand that left the Brit sprawled on the canvas and out.

Kevin McRae covers Boxing for Bleacher Report. You can follow him on Twitter @McRaeWrites