Collin Morikawa squandered a five-shot lead and the chance to become world No 1 as Viktor Hovland emerged victorious from an extraordinary final round of the Hero World Challenge.
Hovland began the day six shots off the pace but carded a closing 66, which included back-to-back eagles on the 14th and 15th, at Albany to secure his third title of the season.
The 24-year-old Norwegian, who successfully defended his Mayakoba Classic title on his last start, bogeyed the last two holes to finish 18 under par, a shot ahead of American Scottie Scheffler.
Collin Morikawa squandered a five-shot lead and the chance to become World No 1 on Sunday
Viktor Hovland (above) emerged victorious at the Hero World Challenge at Morikawa's expense
Scheffler had looked out of contention when he ran up a triple-bogey seven on the fourth, but birdied the sixth and ninth and picked up six more shots in a seven-hole stretch from the 11th to briefly share the lead.
Hovland had made a hat-trick of birdies from the sixth and also birdied the 11th before dropping his first shot of the day on the next, but then holed a bunker shot on the short par-four 14th and followed it with another eagle on the par-five 15th to take