WrestleMania 31 was a professional wrestling pay-per-view show made by WWE. It was held on March 29, 2015 at Levi's Stadium in Santa Clara, California. It was the thirty-first WrestleMania event held by the WWE. The event earned a record gate of $12.6 million. It also broke Levi's Stadium's attendance record by 6,177 people.
The main event saw Roman Reigns face Brock Lesnar for the WWE World Heavyweight Championship. During the match, Seth Rollins ran to the ring and cashed in his Money in the Bank contract which made the match a triple threat match. Rollins won the match and the championship. Another match on the card saw Sting compete in his first WWE match where he was defeated by Triple H.