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On the defensive
2012 U.S. Open champion Webb Simpson is ready to defend his title. Helping matters will be his familiarity with Merion. Full story | Photo gallery 
| Simpson's 2012 victory
2012 Leaderboard: Top 5
| Rank | Player | Today | Thru | Total |
|---|---|---|---|---|
| 1 | Webb Simpson | -2 | F | +1 |
| T2 | Michael Thompson | -3 | F | +2 |
| T2 | Graeme McDowell | +3 | F | +2 |
| T4 | David Toms | -2 | F | +3 |
| T4 | Padraig Harrington | -2 | F | +3 |
| T4 | John Peterson | E | F | +3 |
| T4 | Jason Dufner | E | F | +3 |
| T4 | Jim Furyk | +4 | F | +3 |