top odds to win the Australian Open next week along with Aussie Adam Scott.
After being the number one player in the world for 623 weeks, he's now down to number 56. Even so, bookmakers are still worried.
"He's not one you want to take on," a TAB Sportsbet spokesman said.
"He's popular regardless of his form at the moment. If it all clicks he could win and we don't want to lose a fortune on him."