Events in Sport
- Jul 2 MLB pitcher Ron Guidry beats Detroit 3-2 for a NY Yankee record 13-0 start to the season
Wimbledon Women's Tennis
Jul 7 Wimbledon Women's Tennis: Martina Navratilova wins her first Grand Slam singles title beating Chris Evert 2-6, 6-4, 7-5

Martina Navratilova

Chris Evert
- Jul 7 NBA approves franchise swap; Buffalo Braves owner John Y. Brown and Harry Mangurian acquire Boston Celtics, while the Celtics owner Irv Levin gets Braves, later moved to San Diego to become the Clippers
Wimbledon Men's Tennis
Jul 8 Wimbledon Men's Tennis: Björn Borg of Sweden wins his 3rd straight Wimbledon singles crown; beats American Jimmy Connors 6-2, 6-2, 6-3

Björn Borg

Jimmy Connors
- Jul 11 49th All Star Baseball Game: NL wins 7-3 at San Diego Stadium
Event of Interest
Jul 11 All star MVP: Steve Garvey (LA Dodgers) collects his second award

Steve Garvey
- Jul 14 Umpire Doug Harvey ejects Don Sutton after discovering 3 scuffed balls
British Golf Open
Jul 15 British Open Men's Golf, St Andrews: Jack Nicklaus completes 3rd career grand slam; wins by 2 strokes from Ben Crenshaw & Ray Floyd

Jack Nicklaus

Ray Floyd
Event of Interest
Jul 17 NY Yankee manager Billy Martin and Reggie Jackson fight in dug out after Jackson refuses to bunt, causing Martin to suspend him

Reggie Jackson
- Jul 19 New York Yankees start historic 14 game comeback with 2-0 win over the Minnesota Twins at Metropolitan Stadium in Bloomington, MN
- Jul 23 US Open Women's Golf, CC of Indianapolis: Hollis Stacy successfully defends title by 1 stroke from Sally Little and JoAnne Carner
Event of Interest
Jul 23 Phillies Steve Carlton becomes 78th pitcher to win 200

Steve Carlton
- Jul 24 Billy Martin resigns as Yankee manager after "one is a born liar the other a convicted one" comment about Steinbrenner and Jackson
- Jul 25 Robert Granville "Bob" Lemon replaces Billy Martin as Yankee manager
- Jul 25 Cincinnati Red Pete Rose sets NL record hitting in 38 consecutive games
Baseball Record
Jul 26 Johnny Bench hits his 300th career home run

Johnny Bench
- Jul 27 Indians Duane Kuiper is 3rd to hit 2 bases-loaded triples (vs Yanks)
- Jul 28 At Old Timer's Game it's announced Martin will again manage Yankees
- Jul 29 On Old Timer's Day, NY Yankees announce that Billy Martin will return as NY Yankee manager in 1980 and Bob Lemon will become GM
- Jul 30 Expos crush Braves, 19-0, collecting 28 hits & NL-record-tying 8 HRs
- Jul 31 Cincinnati infielder Pete Rose singles off Phil Niekro to extend his hitting streak to 44 games as Reds edge Atlanta Braves, 3-2; ties Willie Keeler's 81-year-old NL record
Birthdays in Sport
- Jul 4 Tatyana Jecmenica, Serbian tennis star (1995 Futures-Novi Sad), born in Novi Sad, Serbia
- Jul 4 Emile Mpenza, Belgian footballer, born in Zellik, Belgium
- Jul 6 Kevin Senio, New Zealand rugby player, born in Calgary, Alberta, Canada
- Jul 13 Ryan Ludwick, American baseball player
- Jul 15 Miguel Olivo, Dominican baseball player
- Jul 18 Shane Horgan, Irish rugby player
- Jul 18 Ben Sheets, American baseball player
- Jul 20 Jen Grubb, Elk Hart Indiana, soccer defender (Olympics 1996)
- Jul 20 Pavel Datsyuk, Russian ice hockey player
- Jul 20 Tamsyn Lewis, Australian athlete
- Jul 20 Will Solomon, American basketball player
- Jul 21 Gary Teale, Scottish football player and coach, born in Glasgow, Scotland
- Jul 21 Kyoko Iwasaki, Japanese swimmer (Olympic gold 200m breaststroke 1992), born in Numazu, Japan
- Jul 22 Dennis Rommedahl, Danish footballer
- Jul 22 Runako Morton, West Indian cricketer, (d. 2012)
- Jul 23 Stuart Elliott, Northern Irish footballer
- Jul 24 Andy Irons, American surfer (ASP World Champion 2002-04), born in Kauai, Hawaii (d. 2010)
- Jul 25 Gerard Warren, American football player, born in Lake City, Florida
- Jul 31 Justin Wilson, English auto racer (International Formula 3000 C'ship; Champ Car Series 4 wins), born in Sheffield, South Yorkshire (d. 2015)
Deaths in Sport
- Jul 10 Joe Davis, English snooker player (World Champion 1927-40, 1946), dies at 77