Heavy rains delayed the start of the Crowne Plaza Invitational, but several players went low once play began, including the field's biggest draw. Here's how things look after the first day at Colonial Country Club, where Jordan Spieth shares the lead:
What it means: More than an inch of rain fell overnight on the already-saturated course, leading to a three-hour delay at the start of play. Na and Weekley set the early pace, but the afternoon wave took advantage of calm winds and soft conditions to post some low scores before darkness fell.
Round of the day: Spieth delighted the Texas crowds with a 6-under 64, his seventh sub-par round in nine trips around Colonial. Spieth birdied each of his first two holes and capped the round with a 32-foot make from off the green, his sixth birdie to highlight a bogey-free card.
Best of the rest: Weekley won this event two years ago, and he is again on the leaderboard after matching Spieth with a bogey-free 64. Weekley began on the back nine and birdied three of his first five holes, adding three more birdies on his second nine to turn in matching nine-hole scores of 3-under 32.
Biggest disappointment: Defending champ Adam Scott was unable to get on track in the opening round, shooting a 2-over 72. Scott had three bogeys and a three-putt double bogey on No. 8, and the Aussie now sits eight shots off the pace and precariously close to his second straight missed cut.
Main storyline heading into Friday: The afternoon wave will have a quick turnaround, but when play resumes in the morning all eyes will be on Spieth. The world No. 2 missed the cut at TPC Sawgrass in his most recent start, but he has cracked the top 15 in each of his first two trips to Colonial and appears eager to improve on that record.
Shot of the day: Ishikawa was short-sided behind the 17th green, but he played a delicate chip from the rough that found the hole for a surprise birdie. It was one of six birdies on the day for the Japanese phenom, who remains in search of his first PGA Tour win.
Quote of the day: "Got good memories here. Just played well today, made a lot of good putts. I think that’s the key for me out here, if I can make the putts then we should be fine." - Weekley