Kevin Cahill, 56, of Waukesha, Wis. (No. 31 seed)
- Reached quarterfinals in 2015 U.S. Senior Amateur, losing to Steven Liebler, whom he defeated in this year’s Round of 16 to make quarterfinals again
- Will compete in his fourth USGA Men’s State Team Championship for Wisconsin next week at the Country Club of Birmingham (Ala.)
- Three-time Wisconsin state champion in high school tennis
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated Patrick Murphy, 4 and 3
o Round of 32, defeated Vance Antoniou, 19 holes
o Round of 16, defeated Steven Liebler, 4 and 3
Michael Dunsmore, 58, of Poughkeepsie, N.Y. (No. 37 seed)
- Caddies for 2009 U.S. Senior Open champion Fred Funk on PGA Tour Champions
- Competing in second straight U.S. Senior Amateur
- Got into the field as an alternate when 2011 U.S. Senior Amateur champion Louis Lee withdrew
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated Tom Laubacher, 3 and 2
o Round of 32, defeated Randy Haag, 3 and 2
o Round of 16, defeated Wayne Wright, 21 holes
Doug Hanzel, 59, of Savannah, Ga. (No. 11 seed)
- 2013 U.S. Senior Amateur champion and 2012 semifinalist
- Only golfer to qualify for match play in the U.S. Amateur, U.S. Mid-Amateur and U.S. Senior Amateur in the same year (2012)
- Two-time low amateur in the U.S. Senior Open (2012 and 2013)
- Rated No. 1 doctor/golfer by Golf Digest in 2008
- A Type I diabetic, he plays with an insulin pump
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated Steve Groom, 3 and 1
o Round of 32, defeated Brady Exber, 2 and 1
o Round of 16, defeated Mike Brummer, 2 and 1
John Hornbeck, 58, of Saratoga, Wyo. (No. 39 seed)
- Has won multiple Wyoming State Golf Association titles, including 2011 player-of-the-year honors
- Will compete in his fifth USGA Men’s State Team Championship next week at the Country Club of Birmingham (Ala.)
- Competed in this year’s U.S. Senior Open at Scioto Country Club (missed cut)
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated 1999 U.S. Mid-Amateur champion Danny Green, 4 and 3
o Round of 32, defeated Buzz Fly, 3 and 2
o Round of 16, defeated Ken Palladino, 20 holes
Tim Jackson, 57, of Germantown, Tenn. (No. 1 seed)
- 1994 and 2001 U.S. Mid-Amateur champion, the longest span between U.S. Mid-Amateur victories
- Earned medalist honors in 2009 U.S. Amateur, at 50 years old the oldest medalist in U.S. Amateur history
- Three-time low amateur in the U.S. Senior Open, recording the lowest 72-hole score by an amateur (282) and lowest round by an amateur (66) in 2009, when he finished in a tie for 11th
- Member of the 1995 and 1999 USA Walker Cup Teams
- Member of winning Tennessee team in 2003 USGA Men’s State Championship with Danny Green and Brandt Snedeker
- Six-time Tennessee Player of the Year
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated John Madden, 5 and 3
o Round of 32, defeated 2014 U.S. Senior Amateur runner-up Bryan Norton, 2 up
o Round of 16, defeated 2014 U.S. Senior Amateur champion Patrick Tallent, 2 and 1
John McClure, 57, of Los Angeles, Calif. (No. 56 seed)
- Has competed in multiple U.S. Amateurs, U.S. Mid-Amateurs, U.S. Senior Amateurs and USGA Men’s State Team, as well as The Amateur and Senior Amateur championships, conducted by The R&A
- Father, Jay was a golf professional and college coach at Texas Tech
- Caddied for Fred Couples in the 1998 President’s Cup
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated Thomas Brennan, 3 and 1
o Round of 32, defeated Eddie Lyons, 4 and 3
o Round of 16, defeated Bob Royak, 1 up
Dave Ryan, 62, of Taylorville, Ill. (No. 29 seed)
- Has competed in more than 20 USGA championships, but had never reached the quarterfinals until this year
- Has competed in three U.S. Senior Opens
- Six-time Illinois Senior Player of the Year
- Recorded only the third known hole-in-one on a par 4 in USGA championship history during Tuesday’s Round of 16 on the 270-yard, par-4 14th hole
- Qualified for his first USGA championship, the 1986 U.S. Amateur, at Old Warson C.C.
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated James Starnes, 4 and 3
o Round of 32, defeated Nolan Mills, 2and 1
o Round of 16, defeated 2010 and 2012 U.S. Senior Amateur champion Paul Simson, 20 holes
Matthew Sughrue, 57, of Arlington, Va. (No. 14 seed)
- Has competed in the U.S. Junior Amateur, U.S. Amateur, U.S. Mid-Amateur, U.S. Senior Amateur and U.S. Senior Open championships
- Finished second to 2014 U.S. Senior Amateur champion Patrick Tallent in the 2015 Seniors Amateur at Royal County Down
- 2015 Maryland Senior Open champion
- Lowest competitive score is a 66 in a 2013 U.S. Senior Open qualifier
- Left the insurance business after 25 years to go to graduate school at Virginia Tech and become a psychotherapist
- Works with athletes and their families to help them perform their best
- 2016 U.S. Senior Amateur results:
o Round of 64, defeated Randy Mitchell, 4 and 2
o Round of 32, defeated Michael Turner, 3 and 1
o Round of 16, defeated 2011 U.S. Mid-Amateur champion Randal Lewis, 5 and 4