DeChambeau, who turns 25 on September 16, stormed into a share of second finishing birdie, birdie and then landed his 237-yard second shot at the par-5 18th to just two feet for a tap-in eagle 3 in a round of 63 for a 12-under par tally.
“It’s never bad to shoot 4-under your last three holes,” said DeChambeau smiling.
“I was little frustrated about 15 in taking bogey as I hit a really good putt, a fraction too hard, made a 360-degree lip on me. That’s golf. It’s going to happen.
“But I was able to respond well. I think that’s the important thing.”
Woods and his fellow Californian-born DeChambeau teed-off sharing 21st place at five-under par but with this year’s double Tour winning Chambeau soon showing Woods a clean pair of heals in birding his opening two holes.
DeChambeau then birdied the sixth and seventh holes ahead of seven pars and then managing a fifth birdie of his round at the 14 before dropping a shot on 15 and finishing his closing three holes in four-under.
The USA Ryder Cup rookie-elect, while admitting to some early nerves, was clearly comfortable in the company of Woods and could be observed often quizzing Woods throughout the 18 holes.
“Tiger’s my childhood idol,” said DeChambeau. “I’ve admired him my whole entire life. And to be finally able to play with him under tournament conditions, it was different.
“I was a little nervous, for sure. But I was able to get out there and execute shots and worry about my game and focus on hitting the best shots possible. And I was able to play really well like that.”
Woods afterwards was full of praise for DeChambeau.
“Bryson was fantastic to play with,” said Woods. “He’s great. This is the first time I’ve ever played with him in a tournament round.
“We played in practice rounds quite a bit this year and he’s fantastic.”
And Woods was asked to comment on DeChambeau’s comment that he and DeChambeau were to each make the USA Team, the pair could easily intimidate their European rivals.
“If he goes around and shoots 8-under par every time, that will work,” Woods said smiling.
The duo will be chasing Abraham Ancer who will take a one-shot lead into the final round as he looks to become the first Mexican-born player in 40-years to win on the PGA Tour.
Ancer, 27 birdied his opening three holes to set-up a six-under par 65 and seize a one-shot 13-under lead.