I don't understand why in the NFL players signed contracts are not guaranteed. It seems to me it is the most physical sport compared to others. The NFL is a billion dollar business and they have a history of not taking care of players in the past and present. I just don't understand how they can let you go at anytime even though you signed a contract to play for a certain amount of yearsI don't understand why in the NFL players signed contracts are not guaranteed. It seems to me it is the most physical sport compared to others. The NFL is a billion dollar business and they have a history of not taking care of players in the past and present. I just don't understand how they can let you go at anytime even though you signed a contract to play for a certain amount of years

AFL is a lot hard watch this great mark

The reason their contracts aren't guaranteed is the risk of injury is much higher.