Too late to become a Successful MMA Fighter?

Seventeen is not old and its not to late at all. However I am afraid the competition will only get harder and better and they will take advantage of your lack of training and technical skill if you don't get formal training in something here to use as a foundation to build off of. It takes dedication to that, hard work and sacrifice and many of those that are champions now can relate back to when they first started training which for many was in their twenties so seventeen is not to old by any means.