Tennis coach Rob Steckley called Novak Djokovic and Rafael Nadal great champions and also applauded the Serb for always staying true to himself and his principles. Djokovic was unable to participate in the Australian Open as Nadal won his 21st Grand Slam at Melbourne Park last January.Steckley has worked with big names, having coached the likes of Denis Shapovalov and Lucie Safarova. “Nadal and Djokovic are amazing at staying on track,” Steckley said on the Match Point Canada podcast, quoted by Sportskeeda.”I think they are at a different stage of their career or whatever, they want to achieve different things.” Following Djokovic’s expulsion from Australia, many thought the Serb would change his mind and get vaccinated.Instead, Djokovic said that his principl …