Winky Wright upset the odds to beat favourite Shane Mosley on points and capture the undisputed world light
midleweight title in Las Vegas.
Wright outboxed his opponent to win the undisputed title
Mosley was hoping to consolidate his reputation as one of the best pound-for-pound fighters in the world.
But it was Wright, the IBF champion, who unified the title by taking Mosley's WBA and WBC belts.
"It's been a long time. I always felt I was better. Shane has speed but I was better all around," said Wright.
Judges Dave Moretti and Chuck Giampa scored it 117-111, while Paul Smith had it 116-112 as Wright improved his record to 47-3.
There were no knockdowns but the fight was fast-paced from the opening bell as the two champions went after each other.
Mosley, though, was never able to get inside and Wright seemed to have the answer every time he landed a punch.
"For some reason when I came into the ring I felt like I was dehydrated," Mosley said after the fight.
"I couldn't move. It was a monkey on my back.
He added: "I think (the defeat) was more on my part than his part. I don't feel he was overwhelmingly strong."
Mosley, who captured the WBA and WBC versions of the title last September with a points decision over De la Hoya, saw his record move to 39-3.
On the undercard, heavyweight Joe Mesi survived a torrid final two rounds to keep his undefeated record against Vassiliy Jirov.
For the first eight rounds, Mesi dominated, but Jirov turned a lopsided fight around.
He put Mesi on the canvas three times in the final two rounds, leaving him hanging on desperately to remain upright as the bell sounded to end the fight after 10