There was more joy on the back nine for the 29-year-old, responding immediately to a bogey on the 12th with a birdie at the very next hole, and another birdie on the par-five 16th brought him into the clubhouse at nine-under for the tournament.
"I've got to make birdies and try and keep pace; this golf course is playing soft and tomorrow will be the same thing", Woods said.
Woods ended a year ago ranked 656 in the world but has risen to 26 on the back of what has been a consistent and largely uninterrupted season after spinal fusion surgery.
Through all the sweat, through all the birdies, they managed to give Philadelphia fans a reason to cheer for golf in the hours before the Super Bowl champion Eagles opened the National Football League season Thursday night against Atlanta.
But after ranking second in the field Thursday in strokes gain, approach to the hole, Woods dropped to 35th in that category. A day after making seven birdies and an eagle, he could manage just three birdies and added bogeys at the last two holes, including a three-putt on the 18th green.
"That round today was easily 6, 7 under par", Woods said after shooting 70.
And when he did have them, Woods didn't make them.
"To shoot 29 on the front nine helps". "I lose strength and I lose power and endurance".
"What was worst was just not giving myself a better chance to shoot the 59", he said.
Woods will enter the weekend in a tie for 11th and five back of Xander Schauffele, who has a two-shot lead after firing rounds of 63-64 in a last-ditch effort to convince Jim Furyk he's worthy of the fourth and final Ryder Cup captain's pick.
"I can accept a bogey on a hole like on the eighth (17th) hole and the bogey on seven wasn't good, but you don't get many opportunities to break 60 and today was one of them and I didn't capitalize".
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