brand featured WWE Champion Brock Lesnar fighting The Undertaker to retain the title after both men were disqualified.
The main event from the Raw brand featured World Heavyweight Champion Triple H defeating Rob Van Dam to retain the title.
The final featured undercard match had WWE Intercontinental Champion Chris Jericho defeating Ric Flair to retain the title.
Unforgiven was first held by World Wrestling Entertainment (WWE) as the 21st In Your House pay-per-view (PPV) in April 1998.
[4] The event featured nine professional wrestling matches, with outcomes predetermined by WWE script writers.
brand, Stephanie McMahon made a single elimination series of matches to declare the number one contender for the championship.
Kurt Angle and Chris Benoit made it to the final, but McMahon put The Undertaker in the match, which he then won.
The main feud heading into Unforgiven on the Raw brand was between Triple H and Rob Van Dam for the World Heavyweight Championship.
On the September 2 episode of Raw, Triple H was awarded the newly created World Heavyweight Championship by Eric Bischoff, and retained it against Ric Flair.
Later that night however, Van Dam and Flair defeated Triple H and Chris Jericho in a tag team match, when Van Dam pinned Triple H. On the September 9 episode of Raw, Van Dam defeated Jericho, Jeff Hardy, and Big Show in a fatal four-way elimination match to become the number one contender for the World Heavyweight Championship.
He had Billy and Chuck attacked by 3 Minute Warning, setting up a tag team match scheduled for Unforgiven.
If 3 Minute Warning won, Stephanie would be forced to participate in "Hot Lesbian Action" with two other women.
Another feud on the Raw brand was between Molly Holly and Trish Stratus for the WWE Women's Championship.
On the June 24 episode of Raw, Holly proclaimed that she had bought dignity and respect back to the Women's Championship by not being a "tramp who sleeps her way to the top" referring to Stratus.
On the September 2 episode of Raw, Stratus and Bubba Ray Dudley defeated Chris Nowinski and Holly in a mixed tag team match.
Before the event aired live on pay-per-view, a dark match took place in which Rey Mysterio defeated Chavo Guerrero.
The first match was between The Un-Americans (Lance Storm, Christian, William Regal and Test) and Kane, Goldust, Booker T and Bubba Ray Dudley.
The main event was for the WWE Championship between Brock Lesnar (with Paul Heyman) and The Undertaker.