- May 1 American jockey Chris Antley's record 64-day consecutive winning streak ends when he fails with 5 mounts at Aqueduct, NY; streak includes 147 winners from 486 mounts
- May 4 Junior Felix of Toronto Blue Jays becomes 53rd MLB player to hit HR on 1st at bat
Sports History
May 5 Mike Tyson gets 2nd speeding ticket for drag racing in Albany, New York
- May 6 115th Kentucky Derby: Pat Valenzuela on Sunday Silence wins in 2:05
Sports History
May 8 Paul McCartney releases remake of "Ferry Cross the Mersey" in aid of those affected by the Hillsborough disaster, which claimed the lives of 96 Liverpool football fans
- May 9 NY Mets Kevin Elster, errors after 88 errorless games at shortstop
- May 9 NY Mets Rick Cerone, errors after 159 errorless games as catcher
- May 10 FC Barcelona of Spain win 29th European Cup Winner's Cup against Sampdoria of Italy 1-0 in Bern
- May 10 NHL Clarence Campbell Conference Final: Calgary Flames beat Chicago Blackhawks, 4 games to 1
- May 11 NHL Prince of Wales Conference Final: Montreal Canadians beat Philadelphia Flyers, 4 games to 2
Sports History
May 13 Minnesota Twin Kirby Puckett becomes 35th to hit 4 doubles in a game
- May 13 Trinidad & Tobago ties US 1-1, in 3rd round of 1990 world soccer cup
- May 14 1st Tour de Trump bicycle race run (Atlanta)
- May 14 Minnesota Twin Kirby Puckett becomes 1st player to hit 6 doubles across two consecutive games since St. Louis Cardinal Red Schoendienst in 1948
- May 15 MLB Toronto Blue Jays fire manager Jimy Williams, and replace him with Cito Gaston
- May 15 US Basketball League cancels its summer schedule
- May 20 114th Preakness: Pat Valenzuela aboard Sunday Silence wins in 1:53.8
LPGA Championship
May 21 LPGA Championship Women's Golf, Jack Nicklaus GC: Nancy Lopez wins her 3rd LPGA C'ship by 3 strokes from Ayako Okamoto of Japan
- May 24 33rd European Cup: Milan beats Steaua Bucuresti 4-0 at Barcelona
Sports History
May 24 NHL's NY Rangers fire GM & coach Phil Esposito
- May 24 NY Yankee hurler Lee Gutterman sets record of pitching 30-2/3 innings before giving up his 1st run of season
- May 25 Stanley Cup Final, Montreal Forum, Montreal, Quebec: Calgary Flames beat Montreal Canadiens, 4-2 to win series 4 games to 2; Flames' first SC title
Indy 500
May 28 Indianapolis 500: Emerson Fittipaldi of Brazil first foreign winner since 1966; completes final lap under caution after crashing with Al Unser Jr
Sports History
May 29 Philadelphia Phillies 12-time All Star 3rd baseman Mike Schmidt retires from MLB at 39