Round 2 at the 2011 U.S. Open at Congressional

1 of 16 David Cannon/Getty Images
Rory McIlroy started the day with a three-shot lead.
2 of 16 Kohjiro Kinno/SI
 will miss the cut after a 5-over 77.
3 of 16 Kohjiro Kinno/SI
 is in second place, but he trails McIlroy by six shots.
4 of 16 Simon Bruty/SI
 shot a 3-over 74 to fall back to even par.
5 of 16 Simon Bruty/SI
Mickelson made it to one under for the tournament before hitting into the water on 18. He finished with a double-bogey and a round of 69.
6 of 16 Fred Vuich/SI
 played far better in the second round than he did in the first.
7 of 16 Nicholas Kamm/AFP/Getty Images
In addition to five birdies in the second round, McIlroy holed out for eagle on the short par-4 8th hole.
8 of 16 Simon Bruty/SI
He made it 35 holes without a bogey until he rinsed his approach shot from deep rough on 18, ending with a double-bogey 6.
9 of 16 Fred Vuich/SI
 fired a 5-under 66 for a 36-hole total of 11 under — the lowest 36-hole score in the 111-year history of the U.S. Open.
10 of 16 Fred Vuich/SI
 used his small putter well on Friday. Garrigus is tied for third at two under par.
11 of 16 Simon Bruty/SI
Johnson continued to struggle on Friday, finishing at four over for the tournament.
12 of 16 Simon Bruty/SI
McIlroy and Mickelson played with Dustin Johnson the first two rounds.
13 of 16 Rafael Suanes-US PRESSWIRE
Mickelson went three-under on the front nine to get back to even par for the championship.
14 of 16 JONATHAN ERNST/Reuters
 shot a 71 and is two under for the event.
15 of 16 Jamie Squire/Getty Images
 shot a 73, dropping to five over for the tournament.
16 of 16 Kohjiro Kinno/SI
 missed the cut after rounds of 76-77, but the 16-year-old has plenty of U.S. Opens in his future.