"It was a really easy 5-over. Then obviously came back and played really nicely the last two days.
Even today, I know I shot 7 under, which is a really good score, but I played the par 5s even."
Johnson shares the fourth-place position at 5 under through 54 holes alongside Jon Rahm, Abraham Ancer, and Cameron Smith as tournament play heads into the final round.
Hatton maintained his lead at 10 under by shooting a bogey-free 3 under on the front nine on Saturday.
He attributed his performance to a putter setup he began using after missing the previous event for the birth of his daughter.
"It's the same shape as what I've been using for the last few years," said Hatton.
"It's just got an insert, so the ball comes off a little bit quicker … I feel comfortable with it.
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Different grip. Hopefully it works well tomorrow."
