The 20th anniversary of Impact Wrestling will be celebrated Sunday at Slammiversary -- a show that will see every title defended and the return of former Impact/TNA stars.

Impact World Champion Josh Alexander defends against former champion Eric Young in the main event.

Knockouts Champion Tasha Steelz will defend her gold in the first-ever Queen of the Mountain match against Deonna Purrazzo, Chelsea Green, Mia Yim and Jordynne Grace.

The X-Division title will be on the line in an Ultimate X match as champion Ace Austin defends against Mike Bailey, Kenny King, Trey Miguel, Andrew Everett and Alex Zayne.

Impact Tag Team Champions The Briscoes will defend against the Good Brothers while Knockouts Tag Team Champions The Influence defend against Taya Valkyrie & Rosemary.

Moose takes on Sami Callihan in a Monster's Ball match, and Honor No More battles the returning Nick "Magnus" Aldis, Alex Shelley, Chris Sabin, Frankie Kazarian & a mystery man in a ten-man tag match.

The pre-show will see Impact Digital Media Champion Rich Swann defend against Brian Myers, and the return of the infamous reverse battle royal.

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