A brief look at the first round of the British Open on the Old Course at St. Andrews:
Leading: Rory McIlroy of Northern Ireland at 9-under 63.
Trailing: Louis Oosthuizen of South Africa at 65.
Tiger Tales: Tiger Woods, who won the last two British Opens at St. Andrews, shot 67.
Record Rory: McIlroy's 63 tied the lowest score in any major. It was the 24th score of 63 in a major, the eighth at the British Open and the second at St. Andrews.
Surprises: John Daly had seven birdies in his first 11 holes and shot 66. Phil Mickelson didn't make a birdie until the final hole for a 73.
Luck of the draw: Of the 16 top players on the leaderboard, only four of them played in the wind and rain in the afternoon.
Shot of the day: Rory McIlroy hit driver to 15 feet for eagle on the par-4 ninth hole.
Low senior: Mark O'Meara, 53, opened with a 69.
Low teenager: Ryo Ishikawa, 18, shot 68.
Low amateur: British amateur champion Jin Jeong shot 68.
Key statistic: Only six of the 19 champions at St. Andrews since 1900 were atop the leaderboard after the first round.
Notable: It was the first time in eight rounds at St. Andrews that Tiger Woods was not leading after any round in the British Open.
Quotable: "The old lady had no clothes on today." _ Tom Watson, on the calm conditions at St. Andrews.