MELBOURNE, AUSTRALIA - DECEMBER 21: Milos Raonic hits a forehand during a media opportunity at Melbourne Park on December 21, 2017 in Melbourne, Australia. (Photo by Daniel Pockett/Getty Images)
MELBOURNE, AUSTRALIA - DECEMBER 21: Milos Raonic hits a forehand during a media opportunity at Melbourne Park on December 21, 2017 in Melbourne, Australia. (Photo by Daniel Pockett/Getty Images)