Michael Carbajal scored a seventh-round knockout over champion Muangchai Kittikasem of Thailand Sunday to win the International Boxing Federation light flyweight title.

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Carbajal, the first 1988 U.S. Olympian to win a world championship, raised his record to 15-0 with nine knockouts, while Kittikasem falls to 10-1, with six KOs.

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