May 1 - Hank Aaron goes 4-for-4, driving in two runs in the Milwaukee Brewers' 17–3 win over the Detroit Tigers. This brings his career RBI total to 2,211, breaking Babe Ruth's published record of 2,209. On February 3, 1976, the Records Committee will revise Ruth's total to 2,204, meaning that in actuality, Aaron set the record on April 18.
May 5 - The Oakland Athletics release pinch runner Herb Washington. Washington, who played in 104 major league games without batting, pitching, or fielding, compiled 31 stolen bases and scored 33 runs.
Mickey Lolich's 200th career victory is a rain-shortened, 4–1 win over the Chicago White Sox. His catcher is Bill Freehan, who also caught him in his first major league start on May 21, 1963.
May 31 - César Tovar gets the only hit for Texas, the fifth time in his career he has had his team's lone hit in a game. Yankees pitcher Catfish Hunter hurls the one-hit 6–0 victory.
June 18 - Rookie Fred Lynn drives in 10 runs with three home runs, a triple and a single during a Boston 15–1 drubbing of the Detroit Tigers. Lynn's 16 total bases tie an American League record.
July 17 - For the second consecutive White Sox game, Wilbur Wood is the starter, and he tosses his seconnd straight shutout, beating Detroit 5–0. The two starts were separated by the All-Star game.
July 21 - Félix Millán of the New York Mets has four straight singles but is wiped out each time when Joe Torre grounds into four straight double plays, tying a major league record. New York loses 6–2 to the Houston Astros.
August 9 - Davey Lopes steals his 32nd consecutive base for the Dodgers without being caught, in a 2–0 win over the Mets. This breaks the major league record set by Max Carey in 1922.
August 21 - Pitching brothers Rick Reuschel and Paul Reuschel combine to hurl the Cubs to a 7–0 victory over the Dodgers — the first time brothers have collaborated on a shutout. Paul takes over when Rick is forced to leave in the 7th inning because of a blister on his finger.
September 2 - The San Francisco Giants' Johnny LeMaster sets a major league record by hitting an inside-the-park home run in his first at bat, during a 7-3 win over the Dodgers. Brian Downing, two years earlier, was the first major league player to hit his first homer inside-the-park, but not in his first at bat.
September 16 - Rennie Stennett ties Wilbert Robinson's major league record, set June 10, 1892, by going 7-for-7 in a nine-inning game. He collects two hits each in the first and fifth innings, and scores five of his club's runs in a 22-0 massacre of the Cubs, a major league record for the biggest score in a shutout game in the 20th century. John Candelaria pockets the easy win, while Rick Reuschel is the loser.
December 23 - Arbitrator Peter Seitz announces a landmark decision in favor of the Players' Association, making pitchers Andy Messersmith and Dave McNallyfree agents. Seitz is immediately fired by John Gaherin, chairman of the owners' Player Relations Committee. McNally, who retired on June 8, will not return to the majors, finishing with a 184-119 career record.
January 5 - Don Wilson, 29, All-Star pitcher who won 104 games for the Houston Astros, including two no-hitters
March 10 - Clint Evans, 85, coach at the University of California from 1930 to 1954 who led team to the first College World Series title in 1947
March 15 - Johnny Gooch, 77, catcher for the 1925 World Series champion Pittsbugh Pirates, who also played for the Brooklyn Dodgers, Cincinnati Reds and Boston Red Sox, and later became a successful minor league manager
March 21 - Joe Medwick, 63, Hall of Fame left fielder and 10-time All-Star who was the last NL player to win the triple crown, also winning the MVP in 1937; lifetime .324 hitter had six 100-RBI seasons for the Cardinals
March 25 - Tommy Holmes, 71, sportswriter who covered the Brooklyn Dodgers from 1924 until the team's move to Los Angeles in 1958
April 25 - Bruce Edwards, 51, All-Star catcher for the Brooklyn Dodgers and Chicago Cubs
May 10 - Harold Kaese, 66, sportswriter for the Boston Transcript and The Boston Globe from 1933 to 1973
May 22 - Lefty Grove, 75, Hall of Fame pitcher for the Philadelphia Athletics and Boston Red Sox who became the second lefthander to win 300 games, leading AL in ERA nine times and in winning percentage five times, both records; won the pitching triple crown twice, also winning MVP in 1931 after 31-4 campaign' also led AL in strikeouts seven straight years
June 16 - Clint Courtney, 48, catcher for five AL teams who became the first major leaguer at his position to wear eyeglasses
June 17 - Sid Gordon, 57, All-Star left fielder and third baseman, primarily for the Giants and Braves, who had five 20-HR seasons
July 31 - Max Flack, 85, right fielder for the Cubs and Cardinals who batted .300 three times
August 12 - Lew Riggs, 65, All-Star third baseman, mainly for the Cincinnati Reds
September 28 - Moose Solters, 69, left fielder with four AL teams who batted .300 three times, before his eyesight gradually failed after being hit with a ball during a 1941 warmup
September 29 - Casey Stengel, 85, Hall of Fame manager who won a record ten pennants in twelve seasons leading the Yankees (1949-1960), capturing a record seven titles; also managed Dodgers, Braves and Mets, applying his trademark humor to the Mets in their woeful first season
