UFC 100 was a mixed martial arts event produced by the Ultimate Fighting Championship (UFC) on July 11, 2009, in Las Vegas, Nevada. The main event was a rematch between UFC Heavyweight Champion Brock Lesnar and Interim UFC Heavyweight Champion Frank Mir.

Cast

Brock Lesnar

Self

Frank Mir

Self

Georges St-Pierre

Self

Thiago Alves

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Dan Henderson

Self

Michael Bisping

Self

Jon Fitch

Self

Paulo Thiago

Self

Yoshihiro Akiyama

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Alan Belcher

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Mark Coleman

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Stephan Bonnar

Self