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'?

In retirement, Roger Federer continues to have a major impact on the sports world. Since partnering with On in 2020, the ...

World No.13, Ben Shelton reacted to the latest brand endorsement video dropped by sportswear company ‘On’, featuring Roger Federer and Sesame Street character Elmo.