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Night of Champions (2011) was a professional wrestling pay-per-view (PPV) event produced by WWE and presented by WowWee's Light Strike that took place on September 18, 2011 at the First Niagara Center in Buffalo, New York. It was the fourth annual WWE Night of Champions event and the eleventh in the WWE Vengeance/Night of Champions overall chronology. This is also the first live pay-per-view event to feature the WWE Superstars without the WWE Brand Extension. Eight matches took place at the event, seven of which were broadcast live on pay-per-view. The event featured multiple main events, with Triple H defeating CM Punk, John Cena defeating Alberto Del Rio for the WWE Championship, and Mark Henry defeating Randy Orton for the World Heavyweight Championship. The event garnered 161,000 buys, down from 165,000 buys the previous year.
Phil Brooks
CM Punk
Paul Lévesque
Triple H
Alberto Rodriguez
Alberto Del Rio
John Cena
John Cena
Randy Orton
Randy Orton
Mark Henry
Mark Henry
Elizabeth Copeland
Beth Phoenix
Barbie Blank
Kelly Kelly
Nick Nemeth
Dolph Ziggler
John Hennigan
John Morrison
Donald Hager Jr.
Jack Swagger
Kevin Kiley Jr.
Alex Riley
Cody Rhodes
Cody Rhodes
Ted DiBiase Jr.
Ted DiBiase Jr.
Kofi Sarkodie-Mensah
Kofi Kingston
Matthew Joseph Korklan
Evan Borne
Ron Killings
R-Truth
Mike Mizanin
The Miz
Jesús Rodriguez
Ricardo Rodriguez (Personal Ring Announcer)
Eve Torres
Eve (Ringside)
Nattie Neidhart-Wilson
Natalya (Ringside)
Vickie Guerrero
Vickie Guerrero (Valet)
Kevin Nash
Kevin Nash (Appearance)
John Laurinaitis
John Laurinaitis (Raw G.M.)