Marquez floors Casamayor in big lightweight debut

By GREG BEACHAM

LAS VEGAS (AP) — Juan Manuel Marquez needed about three rounds to get used to his new weight class. After that, he was nothing but bad news for Joel Casamayor.

Marquez won his lightweight debut Saturday night, stopping linear champion Casamayor for the first time in the Cuban's career with a dynamic flurry late in the 11th round.

Marquez (49-4-1, 36 KOs) moved up to lightweight in hopes of landing a third bout with Manny Pacquiao after going 0-1-1 against the Filipino pound-for-pound king. Marquez proved the extra five pounds didn't bother him in a comprehensive win over Casamayor (36-4-1), the 37-year-old Cuban champion who has unofficially ruled the division since beating Diego Corrales two years ago.

Marquez floors Casamayor in big lightweight debut....