Seven years ago, 20-time Grand Slam champion Roger Federer made an intriguing prediction about Alexander Zverev. Back in 2017, Federer backed the German as one of the standout players for the next ...

Watch as Elmo sits in an umpire's chair and debates the two letters found on Federer's On-branded sneakers: Is it 'Q' and 'C' or 'O' and 'N'?

With 26 bids over an 18-day period, Federer’s racquet became the fifth item to sell for six figures, and tied Rafael Nadal’s Roland Garros-winning racquet sale.