How can i watch football from my laptop?

Have to work Sunday and dont wanna miss the games. I know about direct tv but cant get them in my area also heard of sling box but dont wanna pay that much for a one time thing. Any other methods you guys are aware of? Or if anyone has the package through direct tv id be willing to pay for access this weekend. Or any other ideas would be greatly appreciated. Thanks

www.channelsurfing.net. All the games all the time