Adam Smith

Submission Underground 23 takes place on May 23, 2021 in Portland, Oregon.

Submission Underground returns to Portland, Oregon with an eight-man absolute tournament featuring some of the top submission-only grapplers and jiu-jitsu players in the world. The winner of the whole tournament will receive a handsome cheque of $10,000 and a title shot at the champion Mason Fowler on July 18th. 2nd place will receive $5000 whilst 3rd place will receive $2500.

Submission Underground 27 took place Sunday, October 10, 2021 with 10 fights in Portland, Oregon.

Submission Underground 22 took place April 25th from Portland, Oregon.

Strikeforce: Playboy Mansion was a mixed martial arts event promoted by Strikeforce. The event took place on September 29, 2007 at the Playboy Mansion in Los Angeles, California. The invitation-only event drew nearly 1,000 spectators who paid $1000 per ticket. The event was supervised by the California State Athletic Commission. Fights 5 to 12 were streamed live on Yahoo Sports for free.