Nathan Donald Diaz is an American professional mixed martial artist, currently signed with the Ultimate Fighting Championship. Diaz is the younger brother of former Strikeforce Welterweight Champion, WEC Welterweight... Wikipedia
- Born: Nathan Donald Diaz, April 16, 1985, Stockton, California, U.S.
- Nationality: American
- Division: Lightweight (2004–2010, 2011–2015), Welterweight (2010–2011, 2016–present)
- Reach: 76 in
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- Fighting out of: Stockton, California, U.S.
- Team: Cesar Gracie Jiu-Jitsu
- Trainer: Richard Perez (Boxing), Cesar Gracie (Brazilian Jiu-Jitsu)
- Rank: 2nd degree black belt in Brazilian Jiu-Jitsu under Cesar Gracie
- Years active: 2004–present
- Children: 1
- Notable relatives: Nick Diaz (brother)
- Data source: DuckDuckGo