<Li> Rory McIlroy (65 - 66 - 68 - 69, par 71) and Robert Garrigus (70 - 70 - 68 - 70), 2011 </Li> <Li> Brooks Koepka (67 - 70 - 68 - 67, par 72), Charley Hoffman (70 - 70 - 68 - 71), and Brandt Snedeker (70 - 69 - 70 - 71), 2017 </Li> <Li> All four rounds under 70: Trevino, 1968; Janzen, 1993; McIlroy, 2011 . </Li> <Li> Most frequent venues: <Ul> <Li> 9 Opens: Oakmont Country Club--1927, 1935, 1953, 1962, 1973, 1983, 1994, 2007, and 2016 </Li> <Li> 7 Opens: Baltusrol Golf Club--1903, 1915, 1936, 1954, 1967, 1980, and 1993 </Li> <Li> 6 Opens: Oakland Hills Country Club--1924, 1937, 1951, 1961, 1985, and 1996 </Li> <Li> 5 Opens: Winged Foot Golf Club--1929, 1959, 1974, 1984, and 2006 <Ul> <Li> Pebble Beach Golf Links--1972, 1982, 1992, 2000, and 2010 </Li> <Li> Olympic Club--1955, 1966, 1987, 1998, and 2012 </Li> <Li> Merion Golf Club--1934, 1950, 1971, 1981, and 2013 </Li> </Ul> </Li> <Li> 4 Opens: Myopia Hunt Club--1898, 1901, 1905, and 1908 <Ul> <Li> Inverness Club--1920, 1931, 1957, and 1979 </Li> <Li> Shinnecock Hills Golf Club--1896, 1986, 1995, and 2004 </Li> </Ul> </Li> </Ul> </Li>

How long is the exemption for winning the us open