how many players in the us open field
U.S. Open (golf) The U.S. Open is open to any professional, or to any amateur with an up-to-date men's USGA Handicap Index not exceeding 1.4.[3] Players (male or female)[3] may obtain a place by being fully exempt or by competing successfully in qualifying. The field is 156 players.
2018 U.S. Open (golf) Defending champion Brooks Koepka shot a final round 68 for 281 (+1) to win his second straight U.S. Open, one stroke ahead of runner-up Tommy Fleetwood, who closed with the sixth round of 63 in U.S. Open history. Koepka was only the third to successfully defend the title since World War II, following Ben Hogan (1951) and Curtis Strange (1989).