AUGUSTA - A look at the key hole in the first round of the Masters:<br>
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Hole: 1.<br>
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Yardage: 435.<br>
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Par: 4.<br>
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Stroke average: 4.268.<br>
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Rank: 9.<br>
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Key fact: Chris DiMarco made the first of three straight birdies to move to the top of the leaderboard at 4-under through 14 holes. Only three other players birdied the hole, and defending champion Phil Mickelson started his round there with a bogey.
