You'd need to find some way to allocate that money other than "to the winners". And/or, you'd need to disqualify or otherwise punish cheaters so strictly that

You'd need to find some way to allocate that money other than "to the winners". And/or, you'd need to disqualify or otherwise punish cheaters so strictly that players aren't tempted to do so. Then again, I confess I really don't understand pro sports.