The PFL 2 mixed martial arts event for the 2018 season of the Professional Fighters League was held on June 21, 2018, at the Chicago Theatre in Chicago, Illinois. It was the second regular season event of 2018 and included only fights in the lightweight and light heavyweight divisions.

World Series of Fighting's return to Canadian soil just became more of a must-see event as the organization is excited to announce the entire fight card for the live NBC Sports Network (NBCSN) televised event at the EXPO Centre in Edmonton, Alberta, Canada on Saturday, Oct. 11, including the inaugural World Series of Fighting heavyweight championship bout and co-main event between fast-rising stars Smealinho "The Prince" Rama (8-1) of Calgary, Alberta Canada and Derrick "Caveman" Mehmen (18-5) of Cedar Rapids, Iowa. In the highly-anticipated main event, superstars Jake Shields (29-7-1) of San Francisco, Calif. and Ryan "The Real Deal" Ford (22-4) of Edmonton will square off in a welterweight (170 pounds) matchup.

The PFL 7 mixed martial arts event for the 2018 season of the Professional Fighters League was held on August 30, 2018, at the Ocean Resort Casino in Atlantic City, New Jersey, United States.