Getting involved into the post graduation level courses definitely adds to your skills and increases your opportunities to get a better job. Sports medicine is a good field not only in terms of getting better knowledge database but also improving your differential diagnosis enhancing your clinical skills both in terms of assessment, diagnosis and making a better management plan while assessing the cases of your patients. So all that place your in a better position of being a good clinician physiotherapist opening the job markete and opportunities for you to practice as a physiotherapist. Good choice, keep it up.