Roger Federer, Novak Djokovic and Andy Murray have shown up at the French Open to participate in a ceremony honoring 14-time tournament champion Rafael Nadal.

The Big Four' in tennis is entering a new chapter. After decades of dominance, Roger Federer, Andy Murray, and now Rafael Nadal have hung up their rackets and entered retirement. Novak Djokovic is the only active player from the quartet.

Andy Murray and Novak Djokovic announced they would be teaming up at the end of last year, with the Scot coming out of retirement to link up with the 20-time Grand Slam champion