Novak Djokovic news: Serbian told former coach 'made him more mentally stable'
Serbian tennis legend Radmilo Armenulic believes Novak Djokovic has made a mistake in ditching coach Marian Vajda.
"Ivanisevic is a new coach; he has no experience. He can share advice, but Vajda was more specific, convincing, [and] closer. That meant a lot to Djokovic because he is emotional."
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