The KitchenAid Senior PGA Championship uses robust qualifying criteria to determine its field, 22 eligibility categories in all.

This year's event will be contested May 26-29 at Harbor Shores GC in Benton Harbor, Michigan.

Past Senior PGA winners at Harbor Shores include Roger Chapman (2012), Colin Montgomerie (2014), Rocco Mediate (2016) and Paul Broadhurst (2018).

Here's a look at how the field qualified for this week's Senior PGA Championship.

Updated field here.

Former winner of Senior PGA Championship

Michael Allen
Paul Broadhurst
Alex Cejka
Roger Chapman
Jay Haas
Bernhard Langer
Tom Lehman
Rocco Mediate
Colin Montgomerie
Mike Reid
Ken Tanigawa

Former winner of PGA Championship

Rich Beem
John Daly
Padraig Harrington
Shaun Micheel
Jeff Sluman
David Toms
Y.E. Yang

Former winner of Masters, U.S Open or Open Championship

Mark Calcavecchia
Michael Campbell
Darren Clarke
David Duval
Ernie Els
Retief Goosen
Todd Hamilton
Lee Janzen
Steve Jones
Jose Maria Olazabal
Corey Pavin

Former U.S. Ryder Cup team member

Chris DiMarco
Steve Pate

Top 15 at 2020 KitchenAid Senior PGA Championship

Billy Andrade
Woody Austin
K.J. Choi
Joakim Haeggman
Jerry Kelly
Tim Petrovic
John Riegger
Bob Sowards
Duffy Waldorf

Top 50 finishers on 2021 PGA TOUR Champions money list

Steven Alker
Stephen Ames
Doug Barron
Cameron Beckman
Shane Bertsch
Marco Dawson
Glen Day
Ken Duke
Scott Dunlap
Joe Durant
Steve Flesch
Paul Goydos
Tim Herron
Miguel Angel Jimenez
Brandt Jobe
Robert Karlsson
Stephen Leaney
Billy Mayfair
Rod Pampling
Scott Parel
Dicky Pride
Brett Quigley
Gene Sauers
Wes Short Jr.
Kevin Sutherland
Kirk Triplett
Mike Weir

Top 50 on 2022 PGA TOUR Champions money list (as of May 9)

David Branshaw
Bob Estes
Brian Gay
Rob Labritz
Jeff Maggert

PGA TOUR Champions winners in past year

Stephen Dodd

Top 35 finishers at 2021 Senior PGA Professional Championship

Dave Bahr
Roy Biancalana
Tim Cantwell
Jim Carter
Walt Chapman
Eric Chiles
Paul Claxton
Michael Crowley
Jim Empey
Frank Esposito
Jimmy Farrell, Jr.
Tim Fleming
Ray Franz, Jr.
Mike Genovese
Larry George
Neal Lancaster
Jonathan Mansfield
Dave McNabb
Mark Mielke
Kelly Mitchum
Alan Morin
Tracy Phillips
Del Ponchock
Chad Proehl
Doug Rohrbaugh
Jeff Roth
Micah Rudosky
Mike San Filippo
Mike Small
Chad Sorensen
Omar Uresti
Michael Valicenti
Don Winter

Winner of last five U.S. Senior Opens

Winner of last five Senior Open Championships

Top five on 2019 European Seniors Tour Order of Merit

Peter Fowler
James Kingston
Phillip Price
Jean-Francois Remesy
David Shacklady

Top 15 on 2021 European Seniors Tour Order of Merit

John Bickerton
Markus Brier
Jose Coceres
Clark Dennis
Rafael Gomez
Ricardo Gonzalez
Thomas Levet
Mauricio Molina
David Morland IV
Peter Wilson

Top four on 2021 Japan Senior Tour Order of Merit

Top finisher on 2021 PGA of Australia Legends Tour Order of Merit

Andre Stolz

Winner on U.S., European, Japan Tours (2017-2021)

Kenichi Kuboya

Top 30 on career money list (PGA TOUR Champions)

David Frost
Scott McCarron

Top 30 on all-time money list (PGA TOUR)

Robert Allenby
Stuart Appleby

Former PGA Professional National Champion turning 50 between 2021 and 2022 KitchenAid Senior PGA Championship

David Hutsell

Special invite

Emanuele Canonica
Jose Manuel Carriles
Niclas Fasth
Thomas Goegele
Richard Green
Jeev Milkha Singh
Paul Streeter
Steen Tinning
Charlie Wi
Gary Wolstenholme

To fill the field

Dale Abraham
Olin Browne
Tom Byrum
Tom Gillis
Mark Hensby
Thongchai Jaidee
Kent Jones
Jonathan Kaye
David McKenzie
Jesper Parnevik
Tom Pernice, Jr.
Roger Rowland
John Senden
Paul Stankowski
Mario Tiziani
Tommy Tolles
Tim Weinhart

Alphabetical field list

Abraham, Dale (cp) - Palm Desert, California
Alker, Steven - NEW ZEALAND
Allen, Michael - Paradise Valley, Arizona
Allenby, Robert - AUSTRALIA
Ames, Stephen - CANADA
Andrade, Billy - Bristol, Rhode Island
Appleby, Stuart - AUSTRALIA
Austin, Woody - Derby, Kansas
Bahr, Dave (cp) - Cincinnati, Ohio
Baker, Kevin - CANADA
Beckman, Cameron - San Antonio, Texas
Beem, Rich - Austin, Texas
Bertsch, Shane - Parker, Colorado
Biancalana, Roy (cp) - St. Charles, Illinois
Bickerton, John - ENGLAND
Branshaw, David - Tampa, Florida
Brier, Markus - AUSTRIA
Broadhurst, Paul - ENGLAND
Browne, Olin - Tequesta, Florida
Byrum, Tom - San Antonio, Texas
Calcavecchia, Mark - Jupiter, Florida
Campbell, Michael - NEW ZEALAND
Canonica, Emanuele - ITALY
Cantwell, Tim (cp) - Palm Beach Gardens, Florida
Carriles, Jose Manuel - SPAIN
Carter, Jim (cp) - Scottsdale, Arizona
Cejka, Alex - GERMANY
Chapman, Roger - ENGLAND
Chapman, Walt (cp) - Knoxville, Tennessee
Chiles, Eric (cp) - Excelsior, Minnesota
Choi, K.J. - REPUBLIC OF KOREA
Clarke, Darren - NORTHERN IRELAND
Claxton, Paul (cp) - Claxton, Georgia
Coceres, Jose - ARGENTINA
Crowley, Michael (cp) - Fox Point, Wisconsin
Daly, John - Dardanelle, Arkansas
Dawson, Marco - Melbourne, Florida
Day, Glen - Little Rock, Arkansas
Dennis, Clark - Fort Worth, Texas
DiMarco, Chris - Denver, Colorado
Dodd, Stephen - WALES
Duke, Ken - Stuart, Florida
Dunlap, Scott - Sarasota, Florida
Durant, Joe - Pensacola Beach, Florida
Duval, David - Cherry Hills Village, Colorado
Els, Ernie - SOUTH AFRICA
Empey, Jim (cp) - Boise, Idaho
Esposito, Frank (cp) - Florham Park, New Jersey
Estes, Bob - Austin, Texas
Farrell, Jimmy (cp) - Commack, New York
Fasth, Niclas - SWEDEN
Fleming, Tim (cp) - Oklahoma City, Oklahoma
Flesch, Steve - Union, Kentucky
Fowler, Peter - AUSTRALIA
Franz, Jr., Raymond (cp) - Mount Pleasant, South Carolina
Frost, David - SOUTH AFRICA
Gay, Brian - Windermere, Florida
Genovese, Mike (cp) - Loxley, Alabama
George, Larry (cp) - Wallace, North Carolina
Gillis, Tom - Lake Orion, Michigan
Goegele, Thomas - GERMANY
Gomez, Rafael - ARGENTINA
Gonzalez, Ricardo - ARGENTINA
Goosen, Retief - SOUTH AFRICA
Goydos, Paul - Long Beach, California
Green, Richard - AUSTRALIA
Haas, Jay - Greenville, South Carolina
Haeggman, Joakim - SWEDEN
Hamilton, Todd - Westlake, Texas
Harrington, Padraig - IRELAND
Hensby, Mark - AUSTRALIA
Herron, Tim - Deephaven, Minnesota
Hutsell, David (cp) - Lutherville, Maryland
Jaidee, Thongchai - THAILAND
Janzen, Lee - Orlando, Florida
Jimenez, Miguel Angel - SPAIN
Jobe, Brandt - Oklahoma City, Oklahoma
Jones, Kent - Albuquerque, New Mexico
Jones, Steve - Tempe, Arizona
Karlsson, Robert - SWEDEN
Kaye, Jonathan - Scottsdale, Arizona
Kelly, Jerry - Madison, Wisconsin
Kingston, James - SOUTH AFRICA
Kuboya, Kenichi - JAPAN
Labritz, Rob (cp) - Pound Ridge, New York
Lancaster, Neal (cp) - Smithfield, North Carolina
Langer, Bernhard - GERMANY
Leaney, Stephen - AUSTRALIA
Lehman, Tom - Scottsdale, Arizona
Levet, Thomas - FRANCE
Maggert, Jeff - Sea Pines, South Carolina
Mansfield, Jonathan (cp) - Clearwater, Florida
Mayfair, Billy - Edmond, Oklahoma
McCarron, Scott - Mooresville, North Carolina
McKenzie, David - AUSTRALIA
McNabb, Dave (cp) - Garnet Valley, Pennsylvania
Mediate, Rocco - Greensburg, Pennsylvania
Micheel, Shaun - Memphis, Tennessee
Mielke, Mark (cp) - Atlantis, Florida
Mitchum, Kelly (cp) - Southern Pines, North Carolina
Molina, Mauricio - ARGENTINA
Montgomerie, Colin - SCOTLAND
Morin, Alan (cp) - Royal Palm Beach, Florida
Morland IV, David - CANADA
Olazabal, Jose Maria - SPAIN
Pampling, Rod - AUSTRALIA
Parel, Scott - Augusta, Georgia
Parnevik, Jesper - SWEDEN
Pate, Steve - Delray Beach, Florida
Pavin, Corey - Dallas, Texas
Pernice, Tom - Scottsdale, Arizona
Petrovic, Tim - Austin, Texas
Phillips, Tracy (cp) - Tulsa, Oklahoma
Ponchock, Del (cp) - Jupiter, Florida
Price, Phillip - WALES
Pride, Dicky - Tuscaloosa, Alabama
Proehl, Chad (cp) - Urbandale, Iowa
Quigley, Brett - Barrington, Rhode Island
Reid, Mike - Orem, Utah
Remesy, Jean-Francois - FRANCE
Riegger, John - Paducah, Kentucky
Rohrbaugh, Doug (cp) - Carbondale, Colorado
Roth, Jeff (cp) - Harbor Springs, Michigan
Rowland, Roger - Jacksonville, Florida
Rudosky, Micah (cp) - Cortez, Colorado
San Filippo, Mike (cp) - Hobe Sound, Florida
Sauers, Gene - Palm Beach Gardens, Florida
Senden, John - AUSTRALIA
Shacklady, David - ENGLAND
Short, Jr., Wes - Austin, Texas
Singh, Jeev Milhka - INDIA
Sluman, Jeff - Hinsdale, Illinois
Small, Mike (cp) - Champaign, Illinois
Sorensen, Chad (cp) - Taft, California
Sowards, Bob (cp) - Dublin, Ohio
Stankowski, Paul - Flower Mound, Texas
Stolz, Andre - AUSTRALIA
Streeter, Paul - ENGLAND
Sutherland, Kevin - Sacramento, California
Tanigawa, Ken - Scottsdale, Arizona
Tinning, Steen - DENMARK
Tiziani, Mario - Shorewood, Minnesota
Tolles, Tommy - Fort Myers, Florida
Toms, David - Shreveport, Louisiana
Triplett, Kirk - Paradise Valley, Arizona
Tucker, Mark - New Hartford, New York
Uresti, Omar (cp) - Austin, Texas
Valicenti, Mike (cp) - Jupiter, Florida
Waldorf, Duffy - Rensselaer, Indiana
Weinhart, Tim (cp) - Alpharetta, Georgia
Weir, Mike - CANADA
Wi, Charlie - Westlake Village, California
Wilson, Peter - ENGLAND
Winter, Don (cp) - Ripon, California
Wolstenholme, Gary - ENGLAND
Yang, Y.E. - REPUBLIC OF KOREA

(cp) Denotes PGA of America Club Professional