ATP annual quotations: Federer on two high

assault nishikori Federer data figure ATP official website this week with you together with quotations from players to review the past year, these quotations also show the wisdom of today's top players (some may odd). Look at the TOP100 quotation together, the following is No.50-No.100: 51. "No one is invincible, I think such a person does not exist." - Djokovic 52. "My eyes...