Justin Rose is back in the clubhouse with a 5-under 67 and a share of the Masters lead.
However, after making a birdie on the par-five second, the Northern Irishman three-pu tted the fourth from 95 feet and had to scramble to save par on the next two holes.
Rory McIlroy is one under for the competition after a round of 71, adding he needs the "round of his life" if he is to win his first Green Jacket, which would complete the major grand slam.
Rickie Fowler was third at 5 under while Jordan Spieth, the 2015 Masters victor, headed a group of three who were two strokes back. 12, 13, 15, 17 and 18.
With 2013 US Open champion Rose and two of the best players in golf not to have won a major yet in Garcia and Fowler, as well as Spieth, whose first three Masters finishes have been second, first, second, there is plenty of quality at the top of the leaderboard and bubbling under. "Yeah, I don't think I helped him whatsoever on the round". I seem to be finding it. "But I had confidence that I would have my run", said Englishman Rose.
Pieters dropped a shot on the first hole but the other three safely negotiated the hard par-four and world number eight Fowler and Hoffman birdied the second to move to five under. "After the first round I couldn't ask for much better than this". None has ever rowed back from such a deficit, but if anyone can it is the remarkable young American, who raced into contention with a third-round 68.
Rose blooms on Augusta's back nine to grab share of lead
Scott is a green jacket victor from 2013, and he's finished in the top five at least once in every leg of the career grand slam. I could see the right edge on the tower, but my ball, the actual shot wasn't blocked. "I felt I could continue it today".
Rose started with an even-par front nine on Saturday, but closed with five birdies on his last seven holes to race up the leaderboard and finish at 6-under for three rounds after a 67. "But they were all good swings and I was proud of them". This is a golf course where you have to pick your moments.
The Masters, also commonly known as the Masters Tournament or US Masters, is a professional golf tournament that takes place every April. It's about staying patient. Spieth hit a shot onto the green that would make the late Arnold Palmer proud, and the putt came within one inch of dropping for an eagle. He's going to feel great about his chances. Can you imagine Garcia ending his career drought and winning his first major on Sunday?
Justin Rose wasn't going to play second-fiddle to another great performance in 2017. "Everyone has a story line". Our golf expert, Kyle Porter, is choosing Fowler to win the green jacket, and controlled play like he displayed Saturday is a big reason why.
"We wanted to shoot four under and thought if we did the lead would move to six or seven and I'd creep on it", said the 2015 champion, who is bidding to become the youngest two-time Masters victor. "Tomorrow might free me up a bit, being behind". Spieth, whose back-nine Sunday meltdown a year ago doomed his chance for a repeat title, was on a roll at four-under for the day and the tournament after 13 holes. "Finishing fifth or 12th doesn't mean much to me".
Former champions Adam Scott and Charles Schwartzel are three and four shots back, respectively.
Moore, the world number 38 who has registered five PGA Tour victories, enjoyed his finest hour when he beat Lee Westwood in the singles at last year's Ryder Cup to clinch victory for the United States over Europe.