Novak Djokovic says he is excited to take part in Dubai's World Tennis League

The 21-time Grand Slam winner leads a team at the tournament, which also features stars including Iga Swiatek and Nick Kyrgios

Novak Djokovic in action at Dubai Duty Free Tennis Championships versus Lorenzo Musetti LIVE!, Tennis News

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WATCH: Novak Djokovic expresses excitement for World Tennis League and conveys Christmas wishes

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WATCH: Novak Djokovic expresses excitement for World Tennis League and conveys Christmas wishes