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(AP) -- Tiger Woods set a personal best with 17 birdies over two rounds on the Blue Monster.

What mattered more to him was a two-shot lead going into the weekend at the Cadillac Championship.
 
On a leaderboard packed with golf's biggest names, Woods seized control with six birdies in an eight-hole stretch around the turn.

 That carried him to a 7-under 65, two shots clear of former U.S. Open champion Graeme McDowell (67).
 
A birdie-birdie finish by McDowell prevented a dream final group - Woods and Phil Mickelson.
 
Mickelson, sparked by a visit to Augusta National earlier this week, had a 67 and joined Steve Stricker (67) three shots out of the lead.
 
Rory McIlroy showed signs of turning the corner with a 69, his first round under par this year.

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