Updated

The seven players who share the 36-hole scoring record at the PGA Championship:

2013 — Jason Dufner, Oak Hill, 68-63

2001 — David Toms, Atlanta Athletic Club, 66-65

2001 — Shingo Katayama, Atlanta Athletic Club, 67-64

1995 — Ernie Els, Riviera, 66-65

1995 — Mark O'Meara, Riviera, 64-67

1993 — Vijay Singh, Inverness, 68-63

1983 — Hal Sutton, Riviera, 65-66