5 reasons why Brock Lesnar should leave WWE after WrestleMania 34

#4 Monday night RAW needs a full-time champion

Brock Lesnar has been Universal Champion for a full year

Another problem with Lesnar's part-time schedule is that he can only defend the title a certain number of times per year.

Whilst Lesnar does not need to leave the WWE in order for this to happen (they can just put the belt on another superstar for example), the WWE has kept the belt on him for an entire year now, which would be unthinkable for a part-timer.