The PFL 4 mixed martial arts event for the 2019 season of the Professional Fighters League was held on July 11, 2019, at the Ocean Resort Casino in Atlantic City, New Jersey. This was the fourth regular season event of 2019 and include fights in the welterweight and women's lightweight divisions.

The PFL 5 mixed martial arts event for the 2021 season of the Professional Fighters League was held on June 17, 2021. This was the second regular season event of the tournament and included fights in the Welterweight and Light heavyweight divisions. The event was headlined by a welterweight clash between the former UFC title contender and Bellator welterweight champion Rory MacDonald and the former UFC veteran Gleison Tibau.

The PFL 2 mixed martial arts event for the 2021 season of the Professional Fighters League was held on April 29, 2021. This was the second regular season event of the tournament and included fights in the Welterweight and Light heavyweight divisions. The event was to be headlined by a welterweight clash between the former UFC title contender and Bellator welterweight champion Rory MacDonald and the former UFC veteran David Michaud.

The PFL 3 mixed martial arts event for the 2022 season of the Professional Fighters League will be held on May 6, 2022, at the Esports Stadium Arlington in Arlington, Texas. This will be the third regular season event of the tournament and included fights in the Women's Lightweight and Welterweight divisions.

UFC on FX 8: Belfort vs. Rockhold was a mixed martial arts event held on May 18, 2013, at the Arena Jaraguá in Jaraguá do Sul, Brazil. The event was headlined by a middleweight bout between perennial multi-divisional contender Vitor Belfort and the final Strikeforce Middleweight Champion and promotional newcomer and future UFC Middleweight Champion Luke Rockhold.

UFC Fight Night 28: Teixeira vs. Bader was a mixed martial arts that was held on September 4, 2013, at Mineirinho Arena in Belo Horizonte, Brazil.