Jason Day moved past a group of early leaders to take a one-shot lead after firing a 6-under-par 66 in the first round of the Arnold Palmer Invitational on Thursday in Orlando, Fla.
"Anytime you're shooting 6-under, especially at a golf course like this, with how tough everything is, it does wonders for your confidence but, at the same time, this golf course, it does give out some birdies but it can -- you can bogey some pretty easy, make some pretty easy bogies out there as well," Day said.
"It's a good score today," Scott said. "We've got beautiful conditions out there. The course is perfect. So, I mean I need to take advantage of the morning tee time, good conditions and I didn't play my best golf tee to green but I chipped and putted really well today."
A sizable contingent at 4-under 68 included Justin Rose.
"Wasn't really solid but it was eventful," Rose said of his round. "Early double and then managed to make birdie somewhere after that and then I was under par. Great to have the par. Felt very comfortable."
It was not a day to remember for Rory McIlroy, who opened with a 3-over 75 and was tied for 111th in the 120-man field at the PGA Tour event.
Day's roller-coaster ride of a round included an eagle on No. 16, a double-bogey at No. 9, seven birdies and one bogey.
Scott is aiming for his third straight victory after winning two other Florida events -- the Honda Classic and the Cadillac Championship at Doral -- in his last two starts.
Scott took last week off for some "recharging" and he didn't encounter too many issues during Thursday's festivities.
Scott posted a bogey-free round and had an eagle on the 16th hole to go with three birdies.