Among those three off the lead were Hideki Matsuyama (71), who earned his first PGA Tour title at the Memorial three years ago, and Jason Day, a former world No. 1 who is a member at Muirfield Village and has never come close to winning. "But I'm in a position where if I shoot another good round like I had the last two days, I've got a chance". "I played really, really well - played beautifully, actually had control of what I was doing out there - I just didn't finish it off".
The eagle brought Woods to five-under on the tournament, just five strokes off the lead, just as play was suspended due to weather concerns.
Woods just wrapped up his penultimate round at The Memorial Tournament, which takes place at Jack Nicklaus' club outside of Columbus, Ohio.
"I can't believe I did it", DeChambeau said.
A 90-minute weather day seemed to tiresome his momentum as the former world number one made pars on the next three holes but he snatched his fifth birdie at 15 before giving the shot back at the 17th to finish on a combined 139.More news: Gunman kills 3, including 2 police officers, in Belgium shooting
DeChambeau wasn't even sure where he was when he finished because so many players worked their way up and down the leaderboard over the final two hours.
An missed the green with his approach but played a deft chip to three feet.
Kyle Stanley didn't have the same problem, rallying from five strokes down with five holes to play with birdies at four of his last five holes, a run that was only marred by a bogey at the last to finish tied with Dechambeau and An.
Woods was finishing when a long final round took shape over the last few holes.
Rory McIlroy, remarkably, has reason to feel the same way.More news: Celtics' Hayward undergoes surgery, expected to make training camp
DeChambeau and Woods have become friends in recent months, regularly playing practice rounds together and discussing whatever golf savants discuss.
The highlight of his premature round was at the Par-5 11th. Justin Thomas, in his debut at No. 1, overcame a pair of early bogeys for a 69 and was at 3 under.
Rose, four adrift going into the final round, had two birdies in his first three holes before dropping two shots on the back nine.
Niemann, 19, from Chile, and Stanley were 11-under and tied for the lead entering the third round. He fell out of a tie for the lead on the 15th when his shot flared out to the right and caught the corner of a creek, leading to bogey.
Bryson DeChambeau lists physics as a special interest, describes his current swing theory as an exploration of the anatomical limits of the body and instead of a dream foursome he rattles off a list of physicist, including Albert Einstein, he'd like to meet.More news: Where's Melania Trump? First lady not seen in public for three weeks