5 biggest defeats of Brock Lesnar in the WWE

#1 Seth Rollins (Wrestlemania 31 )

Seth Rollins cashed in MITB briefcase to take the WWE Championship away from Brock Lesnar

Lesnar went into ‘Mania as Champion for the first time, defending his title against Roman Reigns. However, the script had a lot of twists along the way and Seth Rollins chose to cash in his Money in the Bank contract that night.

The match turned into a triple threat match and Lesnar took a Spear from Reigns and went out of the ring, allowing Rollins to Curbstomp Reigns and dethrone the Beast.

It was a great match, but had Lesnar ending up on the wrong side of the result nonetheless.