Jordan Spieth clings to a one-stroke lead, having seen his chance to separate from the field vanish late Saturday. Now he looks at the leaderboard and sees a crew of eager golfers lurking like sharks, sensing Spieth, who has led the past seven rounds of the Masters, might be vulnerable.

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Rory McIlroy faded while Jason Day got back in the pack. Old hand Bernhard Langer shows a veteran can push the 20-somethings who are golf’s next wave.

And playing with Spieth: Smylie Kaufman. If Augusta wants a player who could pull off a stunning upset, Kaufman is the one.

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A word of advice to Spieth, from the book of Satchel Paige: “Don’t look back. Something might be gaining on you.”

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But first, the field must take the course. Here are Sunday’s tee times. (all times ET)