Daijiro Matsui (Japanese: 松井 大二郎, Matsui Daijirō; born December 5, 1972 in Okayama) is a Japanese mixed martial artist and professional wrestler. A professional MMA competitor since 1998, he has competed for the PRIDE Fighting Championships, Cage Rage, DEEP, Pancrase, and King of the Cage. As a professional wrestler, Matsui has wrestled for UWF International, Battlarts, New Japan Pro Wrestling, Inoki Genome Federation and most recently GLEAT. A former longtime training partner of Kazushi Sakuraba, Matsui is known for his toughness, conditioning, wrestling prowess and unorthodox offense. Despite his mixed success, he holds notable victories over former UFC Light Heavyweight Champion Quinton Jackson, former BAMMA World Middleweight Champion Tom Watson, former world kickboxing champion Jose Landi-Jons, BJJ black belt Rory Singer, and a draw against former Pancrase Light Heavyweight Champion and ADCC gold medallist Sanae Kikuta.
Source: “Daijiro Matsui”, English Wikipedia (CC BY-SA 4.0), excerpt