DA...hang on a bit before putting any money into it. Chances are it'll be free somewhere online. I think we ended up with 3 or 4 sites that ran the world cup that were free.
You sportslovers might like this one too
This site has compiled the streams for every online sports radio station
useful for listening at work or when a game is blacked out on online radio, you can possibly find another one (opposing team or other station)
www.thegamelive.com (navigate on the left panel by expanding the categories)