Victorian Lucas Herbert carded the round of the day at Bay Hill to jump into the top-10 with a share of seventh.

But the main glory went to Scheffler, who rounded out the week at five-under 283.

In another final round that featured some of the toughest scoring conditions in decades, Scheffler made key putts to save two unlikely pars, followed with a pair of lag putts and closed with an even-par 72.

Scheffler now has two PGA Tour titles in his past three starts, having picked up his first victory at the WM Phoenix Open.

The victory moved Scheffler into the top spot of the FedExCup standings.

"It means a lot," Scheffler said on the NBC broadcast.

RIGHT: Lucas Herbert had the low round of the day on Sunday and finished the event with a top-10 finish. PHOTO: David Cannon/Getty Images.

"I've been playing some good golf the past few years and it's nice to get a few wins under my belt."

The scoring average was 75.48, by a fraction lower than it was a year ago.

Only 10 players finished the tournament under par – Herbert among them as he set the clubhouse lead at two-under.

Herbert's efforts on Sunday were unmatched with his four-under 68 including an eagle on the par-5 16th and three birdies in his opening four holes.

Billy Horschel was the last player with a shot at catching Scheffler with a 30-foot birdie putt on the last hole that never really had a chance.

Overnight co-leader Horschel shot 75, after opening nine of 40, and tied for second along with Tyrrell Hatton (69) and Viktor Hovland (74).

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World No.4 Hovland was still tied for the lead until catching a plugged lie in the front bunker on the 17th that led to a bogey.

Needing a birdie on the last hole to catch Scheffler, with whom he was paired, the Norwegian came up short from 18 feet.

"It means a lot." - Scottie Scheffler.

Hatton, who won at Bay Hill two years ago, somehow managed seven birdies on a course that was baked and brittle.

While Scheffler held firm over the closing holes his challengers faltered, Gary Woodland blew his chance of winning for the first time since the 2019 U.S. Open at Pebble Beach.

Woodland surged into the lead with a 25-foot eagle putt on the 16 but he took two shots to get out of a front bunker on 17 that resulted in a double bogey.

He closed with a bogey for a 73 to finish in a tie for fifth with Chris Kirk (72) at three-under.

Of the other Australians, Adam Scott moved up to a share of 26th despite a 74 dropping him to four-over with Matt Jones (75, eight-over) and Marc Leishman (78, 11-over) well back.