Unbeaten Abner Mares of Mexico stopped countryman Daniel Ponce De Leon in the ninth round on Saturday night at the MGM Grand Garden Arena in Las Vegas, scoring a ninth-round technical knockout to win the WBC featherweight championship.
The victory gave Mares won his third world title in three weight classes.
In the ninth round, Mares knocked down De Leon with a right hand. The challenger got up, but Mares relentlessly attacked along the ropes before referee Jay Nady stopped the bout at 2:20.
Mares (26-0-1 with 14 knockouts) was leading on all three judges' scorecards in the 126-pound title fight on the undercard of the Floyd Mayweather Jr.-Robert Guerrero welterweight championship bout.
De Leon's record fell to 44-5 with 35 KOs.