If you are looking to purchase a physical copy, it is widely available through various retailers:
Can be found at Video Game Trader for ~~~$19.99~~~ $11.99 or at Walmart for ~~~$31.09~~~ $11.99 . Deca Sports: Freedom ISO & XEX - Xbox 360 [NTSC...
You can use your own Xbox Live Avatars as the athletes in the game. If you are looking to purchase a physical
Supports up to 2 players locally and up to 4 players online via Xbox Live. Technical Specifications Technical Specifications In the context of digital backups
In the context of digital backups or preservation, an ISO refers to a complete disk image of the game, while XEX refers to the executable file format used by the Xbox 360 to run the game, often used in modified console environments.
Rated E10+ (Everyone 10 and older) for mild cartoon violence. Market Information
The NTSC-U/C version is specifically formatted for Xbox 360 consoles in the North American region (United States and Canada).