Zach Johnson fired a 6-under 66, in a round that included two bogeys. He enters the final round 4-under, after starting 72-74, his best score after 54 holes.

Zach Johnson fired a 6-under 66, in a round that included two bogeys. He enters the final round 4-under, after starting 72-74, his best score after 54 holes.

Zach Johnson best Masters finishes Johnson is making his 21st Masters appearance and seeking his second green jacket. Since his win, Johnson has struggled to emerge as a contender at Augusta.

Zach Johnson fired a 6-under 66, in a round that included two bogeys. He enters the final round 4-under, after starting 72-74, his best score after 54 holes.

Zach Johnson made six birdies during an eight-hole stretch making the turn, and despite a late bogey, he still managed to shoot 6-under 66 -- the best score by the 2007 champion in 65 career ...

Zach Johnson fired a 6-under 66, in a round that included two bogeys. He enters the final round 4-under, after starting 72-74, his best score after 54 holes.

How old is Zach Johnson? Johnson turned 49 in February, so he would be the oldest player to ever win the Masters. That record is currently held by Jack Nicklaus, who won the Masters at age 46 in 1986.

How old is Zach Johnson? Johnson turned 49 in February, so he would be the oldest player to ever win the Masters. That record is currently held by Jack Nicklaus, who won the Masters at age 46 in 1986.