18-HOLE RECORD: 62, Ron Streck (Round 3, 1981 at Woodlands CC), Fred Funk (Round 3, 1992 at TPC Woodlands). Golf Club of Houston record: 63, Johnson Wagner (Round 1, 2008), Adam Scott (Round 1, 2008), Jimmy Walker (Roud 1, 2011), Phil Mickelson (Round 3, 2011), Scott Piercy (Round 1, 2015), Sung Kang (Round 2, 2017)