? Who is eligible to play in the U.S. Open?
?Entries are open to male professional golfers and amateurs with handicaps of two strokes or less. Most entrants, however, must qualify first in local and sectional qualifying rounds.
? How many golfers entered this year's Open?
?A record number of 2,476 filed entries to fill the starting field of 150. All but 21 had to play qualifying rounds.
? What course had held the most Opens?
?Four have been held at the Myopia Hunt Club in Hamilton, Mass. (1898, 1901, 1905, 1908), and four have been held at Baltusrol in Springfield, N.J. (1903, 1915, 1936, 1954). Three have been previously staged at Oakland Hills in Birmingham, Mich. (1924, 1937, 1951), and this year's Open will be the fourth.
? What is the record low score for the full tournament?
?In 1948 Ben Hogan shot a 276 at the Riviera Country Club in Los Angeles to win over Jimmy Demaret, who had 278. This was the only time anyone has broken 280.
? What is the highest winning score?
?In 1901 at Myopia, Willie Anderson and Alex Smith tied for first at 331, and Anderson won the subsequent playoff with an 85 against Smith's 86.