Kentucky Derby
May 5 133rd Kentucky Derby: Calvin Borel aboard 9-2 favourite Street Sense wins on his home track in front of special guest, Queen Elizabeth II
- May 13 At 16 years, 65 days Matthew Briggs debuts for Fulham in a 3-1 defeat at Middlesbrough; youngest player to appear in an English Premier League match
PGA Players Championship
May 13 PGA Players Championship, TPC at Sawgrass: American Phil Mickelson wins by 2 strokes ahead of runner-up Sergio García of Spain; event played in May for the first time
Sports History
May 15 Jerry Sloan leads the Utah Jazz to the Western Conference finals with a win over the Golden State Warriors
- May 19 132nd Preakness: Robby Albarado aboard Curlin wins in 1:53.46
FA Cup Final
May 19 English FA Cup Final, Wembley Stadium, London (89,826): Chelsea beats Manchester United, 1 – 0 (a.e.t.); Didier Drogba scores 116' winner for Blues' 4th title
- May 19 In an all South African final the Bulls (Pretoria) edge the home team Sharks, 20-19 in Durban for their first Super 14 Rugby title; Bulls flyhalf Derick Hougaard boots 2 penalties & 2 conversions
- May 19 NHL Eastern Conference Final: Ottawa Senators beat Buffalo Sabres, 4 games to 1
- May 22 NHL Western Conference Final: Anaheim Ducks beat Detroit Red Wings, 4 games to 2
- May 23 UEFA Champions League Final, Athens: Filippo Inzaghi scores twice as AC Milan beats Liverpool, 2-1 for 7th title
- May 27 Indianapolis 500: Scotsman Dario Franchitti declared the winner with 34 laps remaining when race halted by torrential rain
Senior PGA Championship
May 27 Senior PGA Championship, Kiawah Island Golf Resort, Ocean Course: Denis Watson of Zimbabwe wins his lone major title by a 2 stroke margin from Eduardo Romero of Argentina
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions