The world 's 15th - ranked golfer has yet to win since he triumphed at the Masters in April 2016 .
The world 's 15th - ranked golfer has only managed three top - 10 finishes since .
The world 's 15th - ranked golfer has yet to win since he triumphed at the Masters in April 2016 , and has only managed three top - 10 finishes since .