@CNN: Tennis player Roger Federer helps Switzerland defend historic Hopman Cup title https://t.co/kUHUa9DVzP https://t.co/rbWoYDFJrw
Tennis player Roger Federer helps Switzerland defend historic Hopman Cup title https://t.co/kUHUa9DVzP pic.twitter.com/rbWoYDFJrw
— CNN (@CNN) January 5, 2019