Izumi made his mixed martial arts debut against New Zealand kickboxing specialist, Antz Nansen for Japan's Sengoku promotion in September 2009 after Izumi signed with World Victory Road.
Hiroshi Takahashi | Hiroshi Fujioka | Izumi Shikibu | Hiroshi Hamaya | Hiroshi Takahashi (manga artist) | Hiroshi Sugimoto | Hiroshi Kawashima | Hiroshi Kamayatsu | Izumi-Tamagawa Station | Izumi Matsumoto | Hiroshi Yamauchi | Hiroshi Watanabe | Hiroshi Senju | Hiroshi "Monsieur" Kamayatsu | Hiroshi Kyono | Hiroshi Kobayashi | Kyōka Izumi | Izumi | Hiroshi Yanaka | Hiroshi Takashige | Hiroshi Shirai | Hiroshi Shimizu (professor) | Hiroshi Nakai | Hiroshi Matsumoto | Hiroshi Masuoka | Hiroshi Kiyotake | Hiroshi Kitadani | Hiroshi Katayama | Hiroshi Ishikawa | Hiroshi Ishiguro |