Originally Posted by blackfrido
I'm glad to know that....for a moment I thought this post was not about tennis rather math and physics.
do you think pro level players know what these guys are talking about?
1.Tennis pros do talk to tennis manufacturers.
Some tennis manufacturers know what we are talking about here
2.Some pros are very reluctant to change a racket-
You may talk about Federer and Djokovic and Wozniacki
as representing 3 different cases