Why cant tennis players wear these fitness trackers? | 9 News Australia [3iTw2yORitq]
It's the bizarre saga that's now involved three of the sport's biggest stars - but what exactly is the issue with tennis players wearing these fitness trackers? #9News#AusOpen | Live and free on Channel 9 and 9Now, with every match live and on demand, and Centre Court in 4K on Stan Sport | Subscribe and 🔔: | Get more breaking news at 9News.com.au: FOLLOW 9News Australia ► Facebook: ► Twitter: ► Instagram: Join 9News for the latest in news and events that affect you in your local city, as well as news from across Australia and the world. #BREAKINGNEWS #9NEWS #AUSTRALIA