April 15 –
Juan Nieves of the
Milwaukee Brewers pitches a
no-hitter against the
Baltimore Orioles. He becomes the second-youngest pitcher in major league history to accomplish the feat, and the first Brewer to do so.
June 2 – The
Seattle Mariners use the number-one overall pick of the draft to select
Ken Griffey Jr., signaling a turnaround in their fortunes as an organization.
July 14 –
Tim Raines caps a 3-for-3 performance in the
All-Star Game with a two-run triple in the top of the 13th inning, giving the
National League a 2–0 victory over the
American League. Raines is selected the MVP.
July 18 – New York Yankees first baseman
Don Mattingly homers in his record-tying eighth straight game, in a 7–2 loss to the Texas Rangers. He ties the record set by
Dale Long in 1956.
August 11 –
Mark McGwire of the
Oakland Athletics breaks
Al Rosen's American League rookie record by hitting his 38th home run in an 8–2 loss to the Mariners.
August 30 – With knuckleball pitcher
Charlie Hough on the mound,
Texas Rangers catcher
Geno Petralli ties a Major League record by committing six
passed balls in a 7–0 loss to the
Detroit Tigers at
Tiger Stadium. All seven runs are unearned and come as a result of the passed balls. Petralli will go on to commit 35 passed balls on the season, breaking
J. C. Martin's single-season record of 33 in 1965.
September 9 –
Nolan Ryan strikes out 16 to pass 4,500 for his career as the
Houston Astros beat the
San Francisco Giants 4–2. Ryan strikes out 12 of the final 13 batters and fans
Mike Aldrete to complete the seventh inning for his 4,500th strikeout.
September 18 –
Darrell Evans hits his 30th
home run of the season, and becomes the first player to do so after the age of 40.
September 21 –
Darryl Strawberry swipes his 30th base of the season to join the
30–30 club. With teammate
Howard Johnson already having joined, it marks the first time that two teammates achieve 30–30 seasons in the same year.
October 4 – The
Detroit Tigers defeat the
Toronto Blue Jays 1–0 to clinch the
American League East division title. The victory caps off a thrilling pennant race in which the Tigers overcame a 3.5 game deficit to the Blue Jays in the last two weeks of the season, including sweeping the Blue Jays at
Tiger Stadium in the final weekend, and finishing two games ahead of Toronto in the standings.
October 25 – In Game Seven of the
World Series, starter
Frank Viola and reliever
Jeff Reardon hold the
St. Louis Cardinals to six hits, as the
Minnesota Twins win 4–2 for their second World Championship, and their first since moving to Minnesota and changing their name to the Twins. The franchise's first title came in
1924 as the Washington Senators. Viola is named the Series MVP.