Craig Gabriel: Tennis commentator on the Australian Open

One of the major highlights on the Tennis calendar is underway in Melbourne - the Australian Open.  Top seed and defending champion Jannik Sinner is a favourite to win and straight into it tomorrow in the first round. 10 time champion Novak Jokic will also have fans abuzz as he goes for his 25th major.  Two-time defending champion Aryna Sabalenka is headlining the opening night of the tournament tonight, as she attempts a three-in-a-row win - a record last set in 1999.  Tennis commentator Craig Gabriel joins the show.  LISTEN ABOVE. See omnystudio.com/listener for privacy information.