Submission Underground 11 took place Sunday, February 23, 2020 with 3 fights at Roseland Theater in Portland, Oregon.
Submission Underground 8 took place Sunday, May 12, 2019 with 6 fights at Roseland Theater in Portland, Oregon.
PFL #6 was a mixed martial arts event for the 2018 season of the Professional Fighters League that was held on August 16, 2018 at the Ocean Resort Casino, in Atlantic City, New Jersey, United States.