Wataru Sakata (坂田 亘, Sakata Wataru; born March 11, 1973 in Inazawa, Aichi, Japan) is a Japanese retired mixed martial artist and professional wrestler. A professional MMA competitor from 1994 until 2016, Sakata fought for Fighting Network RINGS, Pride FC, Deep and Rizin Fighting Federation, and holds notable victories over RINGS King of Kings 2000 Tournament runner up Valentijn Overeem, UFC 23 Middleweight Tournament winner Kenichi Yamamoto, ADCC bronze medallist and RINGS Light Heavyweight title contender Chris Haseman, and NCAA All-American and UFC veteran Branden Lee Hinkle.
Source: “Wataru Sakata”, English Wikipedia (CC BY-SA 4.0), excerpt