What professional players use and endorse are two different things. Grigor Dimitrov endorses the Wilson Pro Staff 97S, but uses a different racquet. What? Baby Federer. That’s what we used to call him, the stylish Grigor Dimitrov, with strokes that looked eerily similar to the great Swiss champ’s. But along the line and the years, something happened. His style didn’t change, but his results were “unspectacular” if you will. Brilliance …
