WWE.com posted an article counting down the top 50 moments of 2012. Here are the top 10:
10: Ryback "Shell Shocks" CM Punk on top of the "Hell in a Cell"
9: John Cena grants his 300th wish for Make-A-Wish
8: The Shield's debut at The Survivor Series
7: Jerry Lawler suffers a heart attack on RAW
6. The AJ Lee - John Cena storyline.
5: The 1,000th episode of RAW.
4: Brock Lesnar's WWE return.
3: CM Punk becoming the longest reigning WWE Champion of the modern era.
2: The Rock defeating John Cena at WrestleMania 28.
1: The Undertaker defeating Triple H at WrestleMania 28.
You can check out the full list at this link.