England's Kell Brook has stretched his perfect record to 33 straight wins by beating Shawn Porter by a majority decision to capture the International Boxing Federation's world welterweight title.
The 28-year-old Brook, who was taking part in the first title fight of his career, improved to 33-0, with 22 knockouts as he handed Porter the first loss of his career on Saturday.
"I took it off him in his backyard," Brook said.
"I was nine years old dreaming of becoming a world champion and now I am."
Brook, of Sheffield, England, won handily on two judges' scorecards, 117-111 and 116-112, while a third scored it a draw, 114-114.
Brook is hoping this 147-pound title victory sets up an mega fight in the UK with former two-time world champion Amir Khan.
Khan reacted to the bout via social media on Saturday, tweeting "Well deserved @SpecialKBrook get in there!"
American Porter was making the second defence of the IBF title he won in December. Porter dropped to 26-1-1 with 15 knockouts.
"He took my belt tonight," Porter said.
"I want the rematch. I don't care where we have to go to get it done."
Both fighters were cut near the eye due to accidental head butts over the 12-round battle at the StubHub Center stadium in south central Los Angeles.
Porter defeated Paulie Malignaggi his last time in the ring in April with a technical knockout in the fourth round.
Porter's record received a blemish after a draw to Julio Diaz in 2012, but he reeled off four consecutive wins from there leading up to the Brook bout on Saturday.
Those wins included a rematch victory against Diaz and a unanimous decision win over then titleholder Devon Alexander.
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