Events in Sport
- May 1 91st Kentucky Derby: Bill Shoemaker wins aboard Lucky Debonair, the third of his 4 Derby victories
- May 1 Stanley Cup, Montreal Forum, Montreal, Quebec: Dick Duff has a goal and 2 assists as Montreal Canadiens beat Chicago Blackhawks, 4-0 in Game 7 to take title 4-3
- May 3 3rd Mayor's Trophy Game, Mets beat Yanks 2-1 in 10
Baseball Record
May 4 Willie Mays 512th HR breaks Mel Ott's 511th NL record

Willie Mays
Event of Interest
May 16 Baltimore Oriole Jim Palmer's pitching debut, beats Yankees 7-5 & homers

Jim Palmer
- May 19 West Ham United of England win 5th European Cup Winner's Cup against 1860 München of West Germany 2-0 in London
Boxing Title Fight
May 25 Muhammad Ali KOs Sonny Liston at 2:12 of round 1 at Central Maine Civic Center, Lewiston to retain his WBC/WBA heavyweight boxing title

Muhammad Ali

Sonny Liston
French Open Men's Tennis
May 29 French Championships Men's Tennis: Fred Stolle beats fellow Australian Tony Roche 3-6, 6-0, 6-2, 6-3 for his first Grand Slam singles title

Tony Roche
Birthdays in Sport
- May 3 John Jensen, Danish football player and manager, born in Copenhagen, Denmark
- May 4 Adrie Bogers, Dutch soccer player (Willem II), born in Breda, Netherlands
- May 5 Glenn Seton, Australian racing driver
- May 6 Bob Bassen, NHL center (Dallas Stars), born in Calgary, Alberta
- May 6 Ken Harvey, American NFL linebacker (Washington Redskins), born in Austin, Texas
- May 6 Norman Whiteside, Northern Ireland football player, born in Belfast, Northern Ireland
- May 6 Paul Frase, American NFL defensive end (Green Bay Packers-Super Bowl 31), born in Elmira, New York
- May 6 Zahid Sadiq, Kenyan cricketer, born in Nairobi, Kenya
- May 9 Marc Logan, NFL running back (Washington Redskins), born in Lexington, Kentucky
Steve Yzerman
May 9 Steve Yzerman, Canadian Hockey Hall of Fame forward (Olympic gold 2002, Detroit Red Wings), born in Cranbrook, British Columbia

Steve Yzerman
- May 10 Mike Butcher, baseball player
- May 10 Rony Seikaly, NBA center (Orlando Magic, Golden State Warriors)
- May 10 Todd Kalis, NFL guard (Cin Bengals)
- May 12 Stacy Wilson, ice hockey forward (Canada, Olympics 1998)
- May 13 Chris Washburn, American NBA player, born in Hickory, North Carolina
- May 14 Curt Harnett, sprint cyclist (Olympic bronze 1992/96), born in Toronto, Ontario
- May 14 Dave Widell, NFL center/guard (Jacksonville Jaguars)
- May 14 Joey Cora, Caguas Puerto Rico, infielder (Seattle Mariners)
- May 14 Kelvin Martin, NFL wide receiver (Philadelphia Eagles)
- May 15 Dan Stryzinski, NFL punter (Atlanta Falcons)
- May 15 Raí, Brazilian footballer
- May 16 Lori Sippel, Stratford Ontario, softball pitcher (Olympics 1996)
- May 18 Erik Hanson, MLB pitcher (Toronto Blue Jays), born in Kinnelon, New Jersey
- May 18 Rufus Porter, American NFL linebacker (Pro Bowl 1988-89; Seattle Seahawks), born in Amite, Louisiana
- May 20 Bruno Marie-Rose, French runner (world record 200 m indoor)
- May 20 Todd Stottlemyre, pitcher (St Louis Cardinals, Blue Jays), born in Yakima, Washington
- May 23 James Hasty, NFL cornerback (KC Chiefs)
- May 23 Woorkeri Venkat Raman, cricketer (Indian slow left-arm all-rounder)
- May 23 Manuel Sanchís Hontiyuelo, Real Madrid footballer
- May 24 Chris Jorgis, American badminton player (Olympic-92), born in Palo Alto, California
- May 25 Stefka Kostadinova, Bulgaria high jumper (world record 1987), born in Plovdiv, Bulgaria
- May 26 Greg Lloyd, NFL linebacker (Pittsburgh Steelers)
- May 26 Jacqueline Mary Nelson, New Zealand points race cyclist (Olympics 1996), born in Wellington, New Zealand
- May 27 Jacob Brumfield, Bogalusa LA, outfielder (Toronto Blue Jays)
Pat Cash
May 27 Pat Cash, Australian tennis player (Wimbledon 1987), born in Melbourne, Victoria

Pat Cash
- May 28 Chantal Bailey, Champaign Ill, speed skater (Olympics 1994)
- May 29 Emilio Sánchez, Spanish tennis player (1988 Olympic bronze, Hopman Cup 1990), born in Madrid, Spain
- May 29 Jammo Myllys, hockey goaltender (Finland World C'ship gold 1995), born in Savonlinna, Finland
- May 30 Tyronne Stowe, NFL linebacker (Seattle Seahawks)
- May 30 Billy Donovan Jr., American basketball head coach (Oklahoma City Thunder 2015-19; University of Florida, NCAA Cship 2006-07), born in Rockville Centre, New York
- May 31 Annette Renee Peters [nee Hand], 1500/3000 runner, born in Reno, Nevada
Weddings in Sport
Wedding of Interest
May 25 Boxing champion Sugar Ray Robinson (44) weds Millie Bruce in Los Angeles

Sugar Ray Robinson