Published January 13, 2015
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
https://www.foxnews.com/sports/36-hole-record-at-the-pga-championship