Reigning ATP Finals champion Stefanos Tsitsipas continues to have quite the mentor, inĀ fellow Greek and back-to-back NBA MVPĀ Giannis Antetokounmpo.
The two had previously hung out and talked tennis together, and now Tsitsipas has a physical reminder of his friend's mindset, havingĀ received a pair of shoes and a signed jersey with a special message on it.