Ok first off, I hope this isnt breaking any site rules. If so, please delete post!
You can find a bunch of them online using google, however most of them cost money. If you have a 2nd computer located in different city (such as a friend/family computer), you can create your own proxy following these instructions: http://lifehacker.com/237227/geek-to...sh-socks-proxy
However, if your like me....cheap.....hotspot shield does the job. Its a free download and it does allow you to watch blackouted gamecenter games in your area. The only real negative part of HS shield is that while its running, an ad will appear on the top of all your web pages. You can close these ads, but they will reappear once you load a new page.
Once you close HS shield though, the ads wont appear anymore.