Canelo Alvarez, right, lands a right against Liam Smith during the ninth round of their fight on Sept. 17 at AT&T Stadium in Arlington, Texas. (LM Otero / Associated Press)
Canelo Alvarez hits Liam Smith with a left-hand during the ninth round of their fight on Sept. 17 at AT&T Stadium in Arlington, Texas.
(Ronald Martinez / Getty Images)
Canelo Alvarez, left, takes a punch from Liam Smith fight during the WBO junio-miiddleweight championship fight.
(LM Otero / AP)
Liam Smith attacks Canelo Alvarez during their fight on Sept. 17 at AT&T Stadium in Arlington, Texas.
(Ronald Martinez / Getty Images)
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Dallas Cowboys Owner Jerry Jones sits with Oscar De La Hoya, left, before the Canelo Alvarez and Liam Smith fight at AT&T Stadium on Sept. 17.
(LM Otero / Associated Press)
Canelo Alvarez is lead to his corner after knocking down Liam Smith, left, during their junior-middleweight fight on Sept. 17 at AT&T Stadium in Arlington, Texas.
(Ronald Martinez / Getty Images)
Canelo Alvarez looks toward Liam Smith after knocking the fighter to the ground during a bout Sept. 17. (Ronald Martinez / Getty Images)
Liam Smith lays on the mat as referee Luis Pavon starts the count after Smith was knocked out by by Canelo Alvarez during the ninth round of their fight on Sept. 17.
(LM Otero / Associated Press)
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Canelo Alvarez celebrates after knocking out Liam Smith, lower middle, during their WBO junior-middleweight bout at AT&T Stadium in Arlington, Texas, on Sept. 17, 2016. (Ronald Martinez / Getty Images)
