NBA 2K13 MyCAREER Patch for Xbox 360 Released

2K have pushed through a small update for the Xbox 360 version of NBA 2K13 today, which fixes an issue with freezing after the first game in MyCAREER. As usual, you'll be prompted to download the update automatically as long as your console is online.

and what can i do if i can't connect my xbox to the internet?

Be stuck with the problem, I suppose.