• Weather warning hit Merion early at 8.36 am
  • Nicolas Colsaerts made a very good start
  • Jason Dufner stretches out before starting his round
  • Sergio Garcia and Padraig Harrington share a smile on the way around
  • Bubba Watson clowning around with Rickie Fowler during the delay
  • Ian Poulter started like a train with birdies in his first three holes.
  • ...but Garcia would drop six shots in two holes on his front nine.
  • Justin Rose rescued his round with three late birdies to stay in contention at +1
  • Former Masters champion Mike Weir showed some form at last to be -2 early on
  • Phil Mickelson was among the early starters and posted a three-under-par 67
  • Belgian Colsaerts briefly held the clubhouse lead at -1
  • Cheng Tsung Pan, an amateur from Taiwan, was a surprise name on the leaderboard midway through the first round
  • Another amateur, Ireland's Kevin Phelan, made a great start to his championship
  • Maverick American Jerry Kelly would have taken even par at the start of the round but a closing double-bogey left a sour taste
  • Fowler had a mixed sort of day but should be satisfied with level par
  • Tiger Woods and former caddie Steve Williams were re-united with Woods playing with Adam Scott and Rory McIlroy
  • Woods and McIlroy endured anxious starts with some ragged play
  • ...but Scott made a great start with two birdies in the first four holes
  • Open champion Ernie Els made a solid start being -1 through three when the klaxon sounded once more
  • Carl Pettersson rolled in two birdies to get to within one of Mickelson early in his round
  • But it was Luke Donald who ended the day in front after a hat-trick of birdies saw him finish the day at -4.

2013 - Day One

Weather warning hit Merion early at 8.36 am