Andy Murray was once the high seed looking to avoid the big upset. Now, he's looking to cause one.

Once upon a time, a young boy grew up in Scotland. Coached by a wise mother, and working hard with an equally ambitious older brother, this youngster and his entire family envisioned tennis greatness. The boy’s name was Andy Murray. One can only imagine all the pressures and challenges he’s faced over the course of a long and successful career.

In this edition of Talking Tennis with Tracy, Hall of Famer Tracy Austin offers her reflections on Murray in the twilight. (Watch below.)