14,817 fans packed into the Allstate Arena in Rosemont, Illinois to see the aftermath of the previous month’s WrestleMania XXVIII, which included CM Punk defeating Chris Jericho to retain the WWE Championship, and John Cena somehow defeating the returning Brock Lesnar.
The theme song for the event...
Santino Marella (c) defeated The Miz in a singles match for the WWE United States Championship
Randy Orton defeated Kane in a Falls Count Anywhere match
Brodus Clay (with Hornswoggle, Naomi and Cameron) defeated Dolph Ziggler (with Vickie Guerrero and Jack Swagger) in a singles match
Cody Rhodes defeated Big Show (c) in a tables match for the WWE Intercontinental Championship
Sheamus (c) defeated Daniel Bryan 2–1 in a two out of three falls match for the World Heavyweight Championship
Ryback defeated Aaron Relic and Jay Hatton in a two-on-one handicap match
CM Punk (c) defeated Chris Jericho in a Chicago Street Fight for the WWE Championship
Layla defeated Nikki Bella (c) (with Brie Bella) in a singles match for the WWE Divas Championship
John Cena defeated Brock Lesnar in an Extreme Rules match
WWE released Extreme Rules 2012 on Sun Apr 29 2012.