Months ago we were joking about both being on crutches: Federer as Nadal wins 21st Slam

Roger Federer took to Instagram Stories to congratulate Rafael Nadal on winning a record-breaking 21st Grand Slam title. "A few months ago we were joking about both being on crutches," Federer wrote. He added, "Amazing. Never underestimate a great champion. Your incredible work ethic, dedication and fighting spirit are an inspiration to me." Federer has won 20 Grand Slam titles.