Merion Golf Club's East Course has been the star of the show on Day 2 of the 2013 U.S. Open.
Only one player has managed to shoot under par in the second round thus far, though many players, including leader Phil Mickelson, have yet to tee off.
Here's a look at the leaderboard as it stands right now:
After heavy rains saturated the course for much of the past week, Merion has begun to dry out.
Fairways are running out much more than they did on Thursday, which has caused some nice-looking shots to end up in the rough, which is extremely thick and inconsistent.
From the rough, anything is possible. Players sometimes have zero control over how the ball will come out, as the rough yanks at the club and causes the hosel to turn.
Like the fairways, Merion's greens are firming up and starting to run fast. Given the severe undulations on many of the greens, some players have really struggled to sink putts.
Here is a look at few of the top stories from Friday's action out on the East Course.
Billy Horschel Taming Merion
As was mentioned in the opening, only one player has shot under par on Friday, as noted by CBS's Eye On Golf:
While the rest of the field struggles to make par, Horschel's steady play has been impressive. Through 14 holes, he sits at two-under par for the day, putting him at even par for the tournament.
Horschel has just one win to his credit on the PGA Tour. He earned this victory earlier this year at the Zurich Classic of New Orleans and is an up-and-coming player on tour.
With three birdies and just one bogey to his name on Friday, Horschel has positioned himself brilliantly for a strong push this weekend.
Luke Donald Goes Hot and Cold in a Major Way
Donald was the leader after the first round was called due to darkness last night.
He has been incredibly hot at times during this tournament—especially on par threes, as noted by Jason Sobel of the Golf Channel:
Unfortunately, Donald hit a rough patch on Friday—one of the worst of his career. He made bogey in five of six holes between No. 2 and No. 7. As ESPN's Justin Ray noted, his bogeys on No. 2 and No. 4 marked the first time in his career that he made bogeys on two par fives over a three-hole stretch:
After posting an overnight total of four-under par, Donald finished his second round with a humbling total score of even par.
The Big 3
Tiger Woods, Rory McIlroy and Adam Scott have been drawing big crowds as the premier group in the first two days. Unfortunately, the world's best three have struggled.
Woods and McIlroy have played even-par golf in the second round and sit six shots off Mickelson's lead at three-under par. Scott, who played brilliantly on Thursday, has struggled and sits well off the lead at seven-over par.
Even though Woods and McIlroy aren't playing their best, they are both in good shape for the weekend. That said, according to ESPN Stats & Info, Woods has never won a major after shooting over par in the first two rounds:
Scott may not make the cut if he continues to play poorly down the home stretch in Round 2.
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