Pride Fighting Championship 31 Unbreakable

Gênero: Campeonato de Vale-Tudo / 2006

Lutas: Mark Hunt (New Zeland) vs. Yosuke Nishijima (Brazil); Mauricio "Shogun" Rua (Brazil) vs. Mark Coleman (USA); Quinton "Rampage" Jackson (USA) vs. Dong Sik Yoon (Korea); Sergei Kharitonov (Russia) vs. Alistair Overeem (Holland); Josh Barnett (USA) vs. Kazuhiro Nakamura (Japan); Pedro Rizzo (Brazil) vs. Roman Zentsov (Rússia); Antonio Rodrigo Nogueira (brazil) vs. Kiyoshi Tamura (Japan); Tsuyoshi Kohsaka (Japan) vs. Mario Sperry (Brazil); Fabricio Werdum (Brazil) vs. Jon Olav Einemo (Norway).