Jimmy Walker and Robert Streb lead the way at the US PGA Championship on nine under par but Jason Day, Henrik Stenson and Martin Kaymer are all lurking just two, three and four shots back respectively.
Streb, a 29-year-old American, was the surprise package of the second round, hitting a 63 to catapult himself into contention having sat in ninth after an opening round of 68.
Kaymer and Stenson tee off at 7.35 Irish time before Argentinian Emiliano Grillo and Jason Day get going just ten minutes later and leaders Jimmy Walker and Robert Streb start at 7.55pm in what is shaping up to be an excellent weekend of golf.
Jordan Spieth shot a three under 67 and sits 13th and with momentum on his side might fancy his chances to surge up the leaderboard over the coming days.
Padraig Harrington survived the cut and finished one plus one over the two days.
At the other end of the leaderboard, Rory McIlroy, Shane Lowry, Graham McDowell and Darren Clarke all missed the cut and will take no part in the weekend's golf.
McIlroy could not recover from a horrific opening round and missed the cut by one stroke having almost recovered with a second round 69.
The 2012 and 2014 US PGA Champion bemoaned his own putting as one of the main reasons for not making the cut.
"Putting let me down at [the US Open in June at] Oakmont and then putting let me down here again," he said.
"My tee to green game - there's not much wrong with that. It's pretty solid. If you had given anyone else in this field my tee shots this week, they would have been up near the top of the leaderboard.
"It just shows you how bad I was around the greens."
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