UFC 23: Ultimate Japan 2 was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 1999 at Tokyo Bay NK Hall in Tokyo, Japan.
Kevin Randleman
Pete Williams
Pedro Rizzo
Tsuyoshi Kohsaka
Joe Slick
Jason DeLucia
Eugene Jackson
Keiichiro Yamamiya
Kenichi Yamamoto
Katsuhisa Fujii
Masutatsu Yano
Daiju Takase