Ben Shelton reveals big lesson he learned from Dominic Thiem's brutal case

Shelton who is 21 and regarded as one of the most promising and talented players in the game wasn't even in pro tennis when tame made four grand slam finals and was widely considered one of the best in the game and after watching tame in the past and seeing everything that an injury forced the Austrian to decide to retire after this season Shelton says there is a lot that can be learned there