Masahiro Oishi

Masahiro Oishi 大石真丈 (born November 29, 1968) is a Japanese mixed martial artist. He competes in the Bantamweight and Featherweight divisions.

He has competed for numerous promotions during his career, most notably Shooto, Pancrase and ZST. He is the former Shooto World Featherweight (132 lb) Champion.

Martial arts career
Oishi made his debut in 1993, in Shooto, when he faced Yoshiaki Murai, winning a unanimous decision. He would accumulate a 7-5-3- record, but earned a title shot off of a two fight win streak over Masaki Nishizawa and Yoshinobu Ota. During Shooto: To The Top 10, he faced the reigning featherweight champion Mamoru Yamaguchi. He won the fight in the first round by submission. He defended the title versus Hisao Ikeda, before losing it to Ryota Matsune through a unanimous decision.

From there Oishi moved to ZST. He lost to Hideo Tokoro in the opening of the ZST Grand Prix, which was considered an upset at the time. He would go on to accumulate a 3–3 record in ZST, avenging his loss to Tokoro.

Moving to Cage Force, he earned a title shot by beating Paul McVeigh and Tetsu Suzuki. Facing the reigning champion Takeya Mizugaki, he would lose by way of TKO in the second round.

Moving to Pancrase he made history, by becoming the first Shooto champion to fight in Pancrase when he faced Manabu Inoue. He lost a unanimous decision. He would go on to fight for various promotions, achieving a 10-9-2 record.

Championships and Accomplishments

 * Shooto
 * Shooto World Featherweight (132 lb) Championship (One time)
 * One successful title defense