Grigor Dimitrov joins forces with former Andy Murrray coach ahead of 2023 season
Daniel Vallverdu (@danielvallverdu) / Twitter
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Grigor Dimitrov Announces Split With Coach Dani Vallverdu | ATP Tour | Tennis
Testimony of Dimitry Bigun, father and coach of two of my youngest students who are 10 years old:... - Valverde System - Tennis Mental Toughness Program - Dr. Jorge Valverde | Facebook
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Grigor Dimitrov announces split with coach Dani Vallverdu