Antonio Margarito showed he is the world's best welterweight by stopping Miguel Cotto to win the WBA title Saturday.
The Mexican, who had also won the IBF version of the title in April, inflicted Cotto's first defeat and took his WBA belt with a late barrage of punches that ended the contest in the penultimate 11th round.
Margarito, the 30-year-old so often ducked by the division's best fighters in recent years, dropped the Puerto Rican champion twice in the 11th after several rounds of relentless pressure at the MGM Grand Garden.
"I told my corner I would wear him down and then knock him out," said Margarito. "He never hurt me, …