Canelo Alvarez rolls past Edgar Berlanga in one-sided decision

Canelo Alvarez, boxing's top star, retained his unified super middleweight championship with a unanimous decision victory over Edgar Berlanga on Saturday night at T-Mobile Arena.

Alvarez floored Berlanga with a monstrous left hook in Round 3 -- his money punch -- and prevailed via scores of 117-110, 118-109 and 118-109