boost does 20c per minute http://www.boostmobile.com/shop/plans/pay-as-you-go/ for new customers
t-mobile does 10c per minute if you buy 1k minutes(1 year) at once time http://prepaid-phones.t-mobile.com/pay-as-you-go-plans
If it wasn't for sports, I'd consider canceling cable/sattelite and just watching content via the internet.
What sports are you trying to watch?
heard of http://mlb.tv?
The rate at which a disease spreads through a corn field is a precise measurement of the speed of blight.