Ward vs Kovalev rematch results: Luis Arias knocks out Arif Magomedov

LAS VEGAS, NV - MAY 01: Boxer Luis Arias poses during a Golden Boy Promotions portrait session at the MGM Grand Garden Arena on May 1, 2013 in Las Vegas, Nevada. (Photo by Jeff Bottari/Golden Boy/Golden Boy via Getty Images)[/caption]

Luis Arias remained undefeated after he secured a knockout victory over Arif Magomedov in the Ward vs Kovalev rematch, opening the PPV at the Mandalay Bay Hotel & Casino, Events Center, in Las Vegas, Nevada.

Arias (18-0, 9 KO's) landed two unanswered right hooks to the head that send Magomedov down. Magomedov (18-2, 11 KO's) was able to get up and beat the count, but Arias wasted no time and jumped in to finish the fight. The referee stepped in and stop the fight.

The official time of the stoppage was at 1:16 mark of round five.