Federer, Nadal, Djokovic set new bar for next generations


              Team Europe's Casper Ruud returns a ball to Team World's Jack Sock during a match on day one of the Laver Cup tennis tournament at the O2 in London, Friday, Sept. 23, 2022. (AP Photo/Kin Cheung)
            
              From left, Switzerland's Roger Federer, Spain's Rafael Nadal, Serbia's Novak Djokovic and Britain's Andy Murray attend the opening ceremony of the Laver Cup tennis tournament at the O2 in London, Friday, Sept. 23, 2022. (AP Photo/Kin Cheung)
            
              From left, Serbia's Novak Djokovic, Captain Bjorn Borg, Switzerland's Roger Federer and Spain's Rafael Nadal attend a press conference ahead of the Laver Cup tennis tournament at the O2 in London, Thursday, Sept. 22, 2022. (AP Photo/Kin Cheung)
            
              Team World's Felix Auger-Aliassime, of Canada, returns a ball to Team Europe's Matteo Berrettini, of Italy, during a match on the second day of the Laver Cup tennis tournament at the O2 in London, Saturday, Sept. 24, 2022. (John Walton/PA via AP)
            
              Team Europe's Novak Djokovic, Rafael Nadal and Roger Federer line up on the court ahead of day one of the Laver Cup at the O2 Arena in London, Friday Sept. 23, 2022. (John Walton/PA via AP)
            
              From left, Britain's Andy Murray, Serbia's Novak Djokovic, Switzerland's Roger Federer and Spain's Rafael Nadal attend a training session ahead of the Laver Cup tennis tournament at the O2 in London, Thursday, Sept. 22, 2022. (AP Photo/Kin Cheung)
Federer, Nadal, Djokovic set new bar for next generations