Canelo Alvarez, left, knocked out Amir Khan during their WBC middleweight title fight Saturday, May 7, 2016. Alvarez will fight this fall at AT&T Stadium.
Canelo Alvarez, left, knocked out Amir Khan during their WBC middleweight title fight Saturday, May 7, 2016. Alvarez will fight this fall at AT&T Stadium. Isaac Brekken AP
Canelo Alvarez, left, knocked out Amir Khan during their WBC middleweight title fight Saturday, May 7, 2016. Alvarez will fight this fall at AT&T Stadium. Isaac Brekken AP