In the main event, The Inner Circle ( Chris Jericho, Jake Hager, Sammy Guevara, Santana, and Ortiz) defeated The Pinnacle ( MJF, Wardlow, Shawn Spears, Cash Wheeler, and Dax Harwood) in a Stadium Stampede match had The Inner Circle lost, they would have been forced to disband.
Ten matches were contested at the event, including one on The Buy In pre-show.
The event aired through traditional PPV providers, as well as on B/R Live in North America and FITE TV internationally. Double or Nothing was originally scheduled to be held at the MGM Grand Garden Arena in Paradise, Nevada on May 29, but was moved to Daily's Place and pushed back a day due to the pandemic. It was also AEW's last PPV to be held at Daily's Place during the COVID-19 pandemic. It was the first Double or Nothing event to be held on a Sunday. The event was primarily held at Daily's Place in Jacksonville, Florida however, portions of the main event match were pre-taped at the nearby TIAA Bank Field. It took place during Memorial Day weekend on May 30, 2021. The 2021 Double or Nothing was the third annual Double or Nothing professional wrestling pay-per-view (PPV) event produced by All Elite Wrestling (AEW).
Promotional poster featuring various AEW wrestlers