1977 U.S. Open (golf) Second round Second round

| Place | Player | Country | Score | To_par |
|---|---|---|---|---|
| 1 | Hubert Green | United States | 69-67=136 | –4 |
| 2 | Terry Diehl | United States | 69-68=137 | –3 |
| 3 | Tom Purtzer | United States | 69-69=138 | –2 |
| T4 | Sam Adams | United States | 70-69=139 | –1 |
| T4 | Rod Funseth | United States | 69-70=139 | –1 |
| T4 | Gary Player | South Africa | 72-67=139 | –1 |
| T7 | Jay Haas | United States | 72-68=140 | E |
| T7 | Joe Inman | United States | 70-70=140 | E |
| T9 | Wally Armstrong | United States | 71-70=141 | +1 |
| T9 | Andy Bean | United States | 71-70=141 | +1 |
| T9 | Al Geiberger | United States | 70-71=141 | +1 |
| T9 | Peter Oosterhuis | England | 71-70=141 | +1 |