Shane Lowry leads the Irish challenge after the opening day of the first golf major of the season, the PGA Championship.
The Open winner is two-under-par after starting with a 68 at Harding Park, which included three birdies and just a single bogey.
Lowry's three shots behind the leaders Brendan Todd and Jason Day ahead of teeing off his second-round in San Francisco this evening.
"I missed quite a few chances middle of the round," the Offaly man admitted. "But I thought I was hitting good putts, burning the edge a little bit. It was getting frustrating, but it was nice to birdie the seventh, my 16th and get it in in 2-under.
"8 and 9 are two very difficult holes, so it was nice to play the last three holes in 1-under and shoot 68. I'm pretty happy. I don't feel like I drove the ball well at all.
"I'm going to go to the range and hit a few now, but other than that I feel like my game was good today and I'm pretty happy with my score.
If I could do everything better tomorrow, it would be great. But yeah, look, I think if I hit more fairways tomorrow because it's quite gettable from the fairways.
"The greens were receptive. I'm not sure what it's going to be like tomorrow afternoon. We could come out here and it could be cold and windy and very difficult.
"So we just have to wait and see what it's going to be like and take what we're given and try and make the best of it. But yeah, I definitely need to drive the ball better over the next few days."
Two-time former champion Rory McIlroy is level-par into day two with Graeme McDowell two-over.
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