Rory McIlroy was left to rue nine poor holes in his opening round as his bid to complete the career Grand Slam with a Masters victory was put on hold for at least five more months.
McIlroy ended in a tie for fifth place, nine shots behind runaway winner Dustin Johnson, despite posting a third sub-70 score in succession with a closing 69.
“I look back on this week and obviously rue what happened,” said McIlroy.
“Maybe not on Thursday because I felt I played OK, but that Friday morning.”
The world number five added: “After that I played well, I hung in there, just had to shoot a good score to be here for the weekend and played a really solid weekend.”
The damage was done in the first round when, resuming early on Friday after a delayed start to the opening day, McIlroy carded four bogeys and just