2010 U.S. Open Second Round
The leader: Graeme McDowell with his caddie Ken Comboy looks confident and relaxed on the third green.
Ernie Els celebrates a birdie putt on the 18th green and is one under after 72 holes.
Tiger Woods takes a drop on the third hole.
Phil Mickelson holes his birdie putt on the fourth green.
Even player: Ryo Ishikawa hits a shot on the ninth hole. Ishikawa joins the T2 group.
Dustin Johnson hits his second shot on the tenth hole.
Paul Casey and Sergio Garcia lighten up between holes.
Alex Cejka is three strokes off the lead.
Trouble on 14: Ian Poulter makes his second chip shot and ends up with a triple-bogey.
Brendon de Jonge is still in the mix.
T25: Tiger Woods finishes the round four over.
Missed the cut: Rory McIlroy hits his shot after taking a drop on the 10th hole.
Graeme McDowell made six birdies in the second round.
Something to smile about: Mickelson climbed the leaderboard from T66 to T2.