Novak Djokovic on how Roger Federer's retirement got him thinking about his own

Novak Djokovic admits that witnessing Roger Federer's final tournament got him thinking about his own retirement. Djokovic, 35, represented Team Europe over the weekend at the Laver Cup.This year's Laver Cup edition will be remembered by Federer's retirement. Federer received a great send-off as he was accompanied by Djokovic, Rafael Nadal and Andy Murray in his final tournament. "I must say, I was also thinking about how it would look for me when I say goodbye to tennis," Djokovi