By GREG BEACHAM
AP Sports Writer
LAS VEGAS (AP) — Canelo Álvarez became the first undisputed four-belt super middleweight world champion in boxing history Saturday night, stopping Caleb Plant in the 11th round with two dramatic knockdowns.
Álvarez (57-1-2, 39 KOs) added Plant’s IBF title to his own WBC, WBA and WBO belts with a steady tactical performance culminating in a brilliant display of his vaunted power to finish the previously unbeaten Plant at the MGM Grand Garden Arena.
The Mexican superstar generally recognized as the top pound-for-pound fighter in the world became the sixth man to be a four-belt champion, and he joined junior welterweight Josh Taylor as the only current undisputed champs of their weight class.
After stopping three of his previous four opponents, Álvarez had to grind through a difficult matchup with the tenacious Plant (21-1), who usually moved backward and worked behind his jab to stay away from Canelo’s power.
Álvarez remained persistent and racked up a volume of quality punches — and in the opening seconds of the 11th round, he sent Plant crashing to the canvas with a vicious combination followed by an uppercut while Plant tried to duck away.
Plant got up unsteadily, and Álvarez dropped him again with two big right hands, forcing referee Russell Mora to end it.
Plant is a sturdy champion and an inspirational athlete who overcame numerous personal tragedies to earn a shot at the pound-for-pound champ, but the Tennessee native found out just how big the gap remains between Canelo and his contemporaries.
Álvarez is the first Mexican fighter to reign undisputed atop a division, and every flag-waving fan in the vehemently pro-Canelo sellout crowd of 16,586 seemed aware of the achievement. The champion, a Guadalajara native, spoke frequently before the fight of his determination to achieve the feat both for himself and for Mexico.
Álvarez extended the most successful active career in boxing with his eighth consecutive victory in just over three years. He hasn’t lost in 16 fights since dropping a majority decision to Floyd Mayweather in 2013, with only a draw against Gennady Golovkin blemishing his record.
Álvarez and Plant had no personal animus until September, when Álvarez took offense to an insult from Plant during a news conference in Beverly Hills to promote the bout. Álvarez and Plant briefly scrapped, leaving Plant with a cut on his face and a new avenue of motivation.
Plant opened the biggest bout of his career with a solid game plan, tapping Álvarez with a solid jab and moving away from his opponent’s superior power, frequently using a shoulder roll to avoid trouble. Álvarez steadily walked down Plant and did damage in the fourth, backing him against the ropes and letting combinations fly.
Álvarez showed little fear of Plant’s punches, and he got even less heedful as the bout progressed. Álvarez gradually landed more effectively in the middle rounds, moving Plant backward and even daring the cautious Plant to hit him in the seventh.
Boxing gets frequent, deserved criticism as an institution for the promoter rivalries and fractious sanctioning bodies that prevent the best fighters from meeting each other far too often. But Álvarez used his star power to join an elite club by winning all four major belts.
Only five men had ever achieved four-belt undisputed champion status since the feat became possible with the WBO’s advent: middleweights Bernard Hopkins and Jermain Taylor, junior welterweights Terence Crawford and Taylor, and cruiserweight Oleksandr Usyk.
Taylor achieved the feat in May by beating Jose Ramirez. His first simultaneous defense of all four belts is scheduled for February in Glasgow against Jack Catterall.
In the co-main event, super middleweight veteran Anthony Dirrell earned his first win in nearly three years by stopping Marcos Hernandez in the opening moments of the fourth round with a vicious uppercut. The 37-year-old Dirrell celebrated with a standing backflip.
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