ALVAREZ STOPS KHAN IN SIXTH ROUND TO RETAIN TITLE

LAS VEGAS — Canelo Alvarez needed only one big right hand to turn a close fight into a smashing knockout.

Struggling with Amir Khan’s speed, Alvarez unleashed a long right hand that send Khan backward on the canvas, where referee Kenny Bayless didn’t even bother to count him out at 2:37 of the sixth round.

Alvarez retained his piece of the middleweight title, but not without some nervous moments for his fans. Khan was more than holding his own when the right hand suddenly ended the bout.