Derek Bard, 20, of New Hartford, N.Y.
- Born June 14, 1995, in Charlottesville, Va.
- No. 51 in World Amateur Golf Ranking™
- Defeated Hunter Stewart, a 2015 United States Walker Cup Team member, in Round of 16
- Playing in his second U.S. Amateur; advanced to Round of 32 last year
- Reached Round of 32 in both the 2011 and 2012 U.S. Junior Amateurs
- Five top-10 finishes as a sophomore at the University of Virginia in 2014-15
- Won 2015 Sunnehanna Amateur by one stroke with a 72-hole score of 12-under 268
- Finished first at both 2013 New York State Federation Championship and 2012 New York State Public High School Championship
- His brother, Alec, played in the 2015 U.S. Junior Amateur Championship
Sean Crocker, 18, of Westlake Village, Calif.
- Born Aug. 31, 1996, in Zimbabwe
- No. 64 in World Amateur Golf Ranking™
- Defeated 2015 British Amateur champion Romain Langasque and Alabama first-team All-America Robby Shelton en route to the quarterfinals in his first U.S. Amateur
- Competed in two U.S. Junior Amateurs, reaching Round of 32 in 2013 and quarterfinals in 2014
- Earned third-team All-America recognition as a freshman at USC in 2014-15
- Chosen Pacific 12 Conference Freshman of the Year and was first-team all-conference
- Helped the Trojans advance to the NCAA match-play final against LSU
- Attended boarding school in Zimbabwe before he moved to the United States at age 6
- His father, Gary, was a professional cricket player on the international level
Bryson DeChambeau, 21, of Clovis, Calif.
- Born Sept. 16, 1993, in Clovis, Calif.
- No. 7 in World Amateur Golf Ranking™
- Defeated Maverick McNealy, No. 2 in the WAGR, in Round of 16
- Playing in his 10th USGA championship and was a 2014 U.S. Amateur Public Links quarterfinalist
- Advanced to match play in all five U.S. Amateurs played, but has reached quarterfinals for first time
- 2015 NCAA Division I individual champion and a first-team All-American as member of Southern Methodist University (SMU) team
- Qualified for this year’s U.S. Open and reached Round of 16 at U.S. Amateur Four-Ball
- Helped USA to victory at the 2014 World Amateur Team Championship in Japan
- Wears a Ben Hogan-style cap while playing golf
- Chosen to the 2015 United States Walker Cup Team
Paul Dunne, 22, of Republic of Ireland
- Born Nov. 26, 1992, in Republic of Ireland
- No. 33 in World Amateur Golf Ranking™
- Competing in his first U.S. Amateur after receiving a special exemption from qualifying
- Defeated No. 2 seed David Oraee, 3 and 2, in the Round of 16
- Shared the 54-hole lead in the 2015 Open Championship, conducted by The R&A, and finished in a tie for 30th
- Shot a third-round 66 to become the first amateur since Bob Jones in 1927 to share the lead heading to the final round
- Fifth in the 2015 NCAA Division I Championship as a member of the University of Alabama-Birmingham (UAB) team
- Earned All-America and All-Conference USA recognition for the second consecutive year
- Irish Boys champion in 2008 and 2009 and Irish Youths champion in 2010
Austin James, 19, of Canada
- Born Oct. 9, 1995, in Ontario, Canada
- No. 718 in World Amateur Golf Ranking™
- Competing in his first USGA championship
- Defeated No. 3 seed Jake Knapp, 2014 U.S. Amateur semifinalist Denny McCarthy and 15-year-old Noah Goodwin en route to the quarterfinals
- Rising junior at Charleston Southern University, where he was a member of 2015 Big South Conference championship squad
- Placed 46th at NCAA Lubbock Regional; the Buccaneers were 13th as a team
- 2014 Canadian Junior champion, carding a 64, his lowest competitive round, during the tournament
- His sister, Augusta, won the Symetra Tour’s Patty Berg Memorial in her fourth start on tour last April and played as a collegian at North Carolina State
Kenta Konishi, 21, of Japan
- Born May 21, 1994, in Tokyo, Japan
- No. 632 in World Amateur Golf Ranking™
- Playing in his first USGA championship
- Defeated 2015 U.S. Open qualifier Cole Hammer, current Illinois golfer Thomas Detry in 19 holes and Kyle Mueller, who upended the No. 1 seed in first round, on his way to the quarterfinals
- Won 2010 Junior Open, conducted by The R&A, held at Lundin Golf Club, in Fife, Scotland, with a 54-hole score of 2-under 211 (71-68-72)
- Tied for 31st in Japan Tour’s Top Cup Tokai Classic in 2014
- Started playing golf at age 3
- Shot a 63, his lowest competitive round, in 2012
Matthew Perrine, 19, of Austin, Texas
- Born Sept. 1, 1999, in Austin, Texas
- No. 333 in World Amateur Golf Ranking™
- Competing in his second USGA championship and first U.S. Amateur
- Defeated 2014 U.S. Mid-Amateur runner-up Brad Nurski and 2008 U.S. Mid-Amateur runner-up Todd Mitchell on his way to the quarterfinals
- Advanced to match play in the 2013 U.S. Junior Amateur Championship
- Played at Auburn University as a freshman but transferred to Baylor University for 2015-16
- Recorded three top-25 finishes and had a 73.30 scoring average at Auburn in 2014-15
- Won 2014 Texas Class 5A UIL state championship and won 2014 Byron Nelson International Junior Golf Award
- Named to USA Today All-USA High School second team and was a 2013 Rolex Junior All-American
Jon Rahm, 20, of Spain
- Born Oct. 11, 1994, in Barrika, Spain
- No. 1 in World Amateur Golf Ranking™
- Playing in his second U.S. Amateur; advanced to Round of 16 last year
- Survived an 18-for-10 playoff to reach match play and defeated first-round opponent George Cunningham in 21 holes
- Medalist in the 2014 World Amateur Team Championship, breaking Jack Nicklaus’ record with a 72-hole score of 23-under 263
- Won the 2015 Ben Hogan Award as the top collegiate player as a junior on the Arizona State University team
- Earned first-team All-America and first-team Pacific 12 Conference recognition
- Tied for fifth at Waste Management Phoenix Open in February, the first amateur to record a top-five PGA Tour finish since 2008
- Captured consecutive Spanish Amateur titles in 2014 and 2015
- Spanish Under-16 champion in 2009 and Spanish Under-21 champion in 2010