Alexander Zverev holds his winning trophy after ATP Final match between Alexander Zverev vs Novak Djokovic - Internazionali BNL d'Italia 2017 on May 20, 2017 in Rome, Italy. (Photo by Silvia Lore/NurPhoto via Getty Images)
Alexander Zverev holds his winning trophy after ATP Final match between Alexander Zverev vs Novak Djokovic - Internazionali BNL d'Italia 2017 on May 20, 2017 in Rome, Italy. (Photo by Silvia Lore/NurPhoto via Getty Images)