The world number two endured a difficult start to 2016 but won the FedEx Cup as the season ended
Legendary golfer Jack Nichlaus has urged Rory McIlroy to work harder in order to dominate the game.
As golf's most prolific major winner with 18 to his name, Nichlaus was speaking to BBC Sport and said: "Rory is one of those young men who has got a tremendous amount of talent. He has won and played on his talent to this point. If he wishes to dominate and go forward then he's got to improve."
"He has to work hard, he's got to focus on what he is trying to do and it is up to him. Certainly he has all the tools to be able to do it - it is just whether he has the desire and the willingness to give up some other things.
"And that's his call. I mean, whatever Rory does, he has established himself as one of the great players that has ever played the game.
"Whether he wants to be the greatest player to have played the game, that's his determination and it's his decision whether he wants to make that effort to try to do that," he added.
McIlroy currently has four majors to his name and is some way off the target Nichlaus has set. He is also yet to win the US Masters but the American is confident his time will come at Augusta National.
Nichlaus said: "I think he will win the Masters. He certainly has the type of game that would do well at Augusta and he has done well before, he just hasn't finished it."
McIlroy showed glimpses of his best throughout the year and won his home tournament in 2016 as well as the FedEx Cup.