McIlroy says pressure in sports is leading to increase in stress-relates illnesses . As a former world No.1 golfer and one half of a sporting super couple -- with tennis ace Caroline Wozniacki -- the Northern Irishman knows all about living in the full glare of the media spotlight . England cricketer Rory McIlroy left the Ashes series week citing a stress-related illness . Rory McIlroy says it shows the mental toll sport can take on athletes . The Northern Irishman was speaking ahead of this this week 's Australian Open in Sydney .
McIlroy says pressure in sports is leading to increase in stress-relates illnesses . England cricketer Rory McIlroy left the Ashes series week citing a stress-related illness . Rory McIlroy says it shows the mental toll sport can take on athletes . The Northern Irishman was speaking ahead of this this week 's Australian Open in Sydney .