How to watch NCAA football and NFL on my Apple TV?

I just recently got an Apple TV as an alternative to cable since I am a broke college student. However, this limits me from all football games. Is there anyway I can watch games on Apple TV via AirPlay? I know there are various subscriptions out there to allow you to watch the games. I'm not sure if they support AirPlay though. I also do not want to Jailbreak my Apple TV.

Why do I need a VPN

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia��).