section_path: Submission wrestling career
section_name: Submission wrestling career
paragraph_text: Submission wrestling career
  
  Kerr was successful at the ADCC Submission Wrestling World Championships. At the 1999 tournament, he won the +99 kg division by defeating Carlos Barreto, Josh Barnett, Chris Haseman, and Sean Alvarez. Kerr returned for the 2000 tournament, winning the +99 kg division again as well as the absolute division. In the +99 kg division, he defeated Josh Barnett again, Anthony Netzler, Rigan Machado, and Ricco Rodriguez. In the absolute division, he defeated Léo Vieira, Mike van Arsdale, Ricardo Almeida, and Sean Alvarez again. This earned him a Superfight Championship match in 2001 against Mário Sperry, which Kerr won. He lost the Superfight Championship to Ricardo Arona at the 2003 edition.
  
  In recognition of his accomplishments, Kerr was one of the inaugural inductees into the ADCC Hall of Fame in 2022.
  
  Kerr was successful at the ADCC Submission Wrestling World Championships. At the 1999 tournament, he won the +99 kg division by defeating Carlos Barreto, Josh Barnett, Chris Haseman, and Sean Alvarez. Kerr returned for the 2000 tournament, winning the +99 kg division again as well as the absolute division. In the +99 kg division, he defeated Josh Barnett again, Anthony Netzler, Rigan Machado, and Ricco Rodriguez. In the absolute division, he defeated Léo Vieira, Mike van Arsdale, Ricardo Almeida, and Sean Alvarez again. This earned him a Superfight Championship match in 2001 against Mário Sperry, which Kerr won. He lost the Superfight Championship to Ricardo Arona at the 2003 edition.
  
  In recognition of his accomplishments, Kerr was one of the inaugural inductees into the ADCC Hall of Fame in 2022.