Matt Kuchar will arrive for the Australian Open in rich form after surging to a strong lead in the US PGA Tour's Mayakoba Golf Classic.
It's been four years since the last of 40-year-old Kuchar's seven US tour victories but he has been in rare touch for three rounds.
He posted a six-under 65 at El Camaleon Golf Club on Saturday to reach 20-under - a 54-hole tournament record - and open a four-shot lead from South Korea's Whee Kim (66).
Win or lose, Kuchar will depart Mexico after Sunday's final round bound for Sydney, where he is to contest the Australian Open at The Lakes from Thursday.
He will then team with Kyle Stanley for the United States at the World Cup of Golf in Melbourne from November 22-25.
"I can't imagine doing better through 54 holes," Kuchar said.
"I mean, 20 under is my best 54-hole total.
"I felt in control of my ball striking. I felt in control of driving, the iron play, the putting. It's been a great three days."
The four-shot edge matches the largest third-round lead of Kuchar's career. He led by four at the Houston Open in 2014, when he wound up losing to Australian Matt Jones in a playoff.
The other two times Kuchar had the 54-hole lead, he won the Memorial in 2013 one week after losing a one-shot lead at Colonial.
While struggling for most of the year, Kuchar is excited by finishing 2018 off strong.
"... it's got signs now of righting the ship and turning into a great start to ... maybe it's a great finish to '18, great start to '18-19, however you want to classify the calendar," he said.
Richy Werenski and New Zealander Danny Lee both carded rounds of 67 to be tied third and five shots back of Kuchar.
PGA Tour rookie of the year Aaron Wise (63) and Cameron Champ (69), who has already won this season at the Sanderson Farms Championship, were joined by J.J. Spaun (65) at 14 under and a share of fifth.
Australian PGA Tour rookie Cameron Davis had a 72 on Saturday to be tied for 53rd at five under ahead of his Australian Open title defence while his countryman Jones slide to 71st after a 74 left him one under.