nah man i dont wanna get fucked up in the pit!
Also: Sean Penn used a variation of a madball in the classic 1983 prison flick "Bad Boys," where he puts a soda can in a pillow case and uses it to beat the shit out of Clancy Brown.
There are no rules other than to try to keep possesion of the ball, anything is permitted to get it - as a famous player once said: "You could KILL someone in madball!"
There are no set rules for determining the winner, though commonly whoever is holding the ball when the bell rings is considered the "winner".
Some critics of the game consider it little more than an excuse to have a rumble due to the lack of rules or clear victory conditions.