Photo: Instagram/Brock Lesnar Brock Lesnar , a legendary WWE wrestler who has also had a successful stint in the UFC , has an uncertain future with the company after WrestleMania 39. Lesnar left WWE after WrestleMania 20 in 2004, but returned in 2012 and went on to become a 10-time World Champion. Many believe that Lesnar has nothing left to prove in his career. Recently, reports have emerged that Lesnar told some people backstage at a Monday Night Raw taping that he was "finishing up," leading many to believe that he may be retiring. Photo: Instagram/Brock Lesnar Even WWE Hall of Famer Kurt Angle has commented on Lesnar's ability to retire at any time, as he has already earned a lot of money in his career. However, there is no definitive answer as to what Lesnar's plans are after WrestleMania 39. In an appearance on Wrestling Observer Radio , Dave Meltzer stated that no one knows what Lesnar will do next. At WrestleMania 39, Lesnar is set to face Omos, and it i...