Big Update: Brock Lesnar Signs Contract Extension With WWE, How Long Does the New Deal Last? by Nick Paglino January 28, 2013 Share this story According to PWInsider.com, Brock Lesnar has signed a new, two year deal with WWE that will see Lesnar remain under contract with the company through WrestleMania 31. Lesnar's current WWE deal was set to expire after WrestleMania 29.TAGS:Brock LesnarWrestleMania 29WWE