Never underestimate a great champion: Roger Federer to Rafael Nadal after his 21st Grand Slam win
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After Nadal completing a record 21 Grand Slam wins, Federer sent a heartfelt note for Nadal, praising him for his work ethic, dedication and his fight. Federer also remembered how a couple of months back, they would joke about their injuries and how it was difficult for them to be back to a tennis court. Federer is on a breal currently and is expected to return for Wimbledon next.