Offseason

• December 10, 1982: Danny Heep
  Danny Heep
  Daniel William Heep , is a retired Major League Baseball outfielder.Heep played for five different ballclubs during his 13 year career: the Houston Astros , New York Mets , Los Angeles Dodgers , Boston Red Sox , and Atlanta Braves .Heep played for two different World Series champions: the New...
  
   was traded by the Astros to the New York Mets
  New York Mets
  The New York Mets are a professional baseball team based in the borough of Queens in New York City, New York. They belong to Major League Baseball's National League East Division. One of baseball's first expansion teams, the Mets were founded in 1962 to replace New York's departed National League...
  
   for Mike Scott
  Mike Scott (baseball)
  Michael Warren "Mike" Scott is a former right-handed pitcher in Major League Baseball for the New York Mets and the Houston Astros. He won the National League Cy Young Award in...
  
  .
• January 11, 1983: Troy Afenir
  Troy Afenir
  Michael Troy Afenir is a former Major League Baseball catcher. In his major league career, Afenir played for the Houston Astros in , the Oakland Athletics from...
  
   was drafted by the Astros in the 1st round (11th pick) of the 1983 Major League Baseball Draft
  1983 Major League Baseball Draft
  -First round selections:The following are the first round picks in the 1983 Major League Baseball draft.* Did not sign- Other notable players :*Kevin Ward, 6th round...
  
   (Secondary Phase).
• March 31, 1983: Alan Knicely
  Alan Knicely
  Alan Lee Knicely is a former professional baseball catcher. He played all or part of eight seasons in Major League Baseball from 1979 until 1986...
  
   was traded by the Astros to the Cincinnati Reds
  Cincinnati Reds
  The Cincinnati Reds are a Major League Baseball team based in Cincinnati, Ohio. They are members of the National League Central Division. The club was established in 1882 as a charter member of the American Association and joined the National League in 1890....
  
   for Bill Dawley
  Bill Dawley
  William Chester Dawley is a former professional baseball pitcher. He played all or part of seven seasons in Major League Baseball, from 1983 to 1989, for the Houston Astros, Chicago White Sox, St. Louis Cardinals, Philadelphia Phillies, and Oakland Athletics...
  
   and Tony Walker
  Tony Walker
  Anthony Bruce Walker was a Major League Baseball player. Walker played in the 1986 season with the Houston Astros. He played the outfield and batted and threw right-handed.-External links:...
  
  .

Regular season

• April 17, 1983: Nolan Ryan
  Nolan Ryan
  Lynn Nolan Ryan, Jr. , nicknamed "The Ryan Express", is a former Major League Baseball pitcher. He is currently principal owner, president and CEO of the Texas Rangers....
  
   struck out Andre Dawson
  Andre Dawson
  Andre Nolan Dawson , nicknamed "The Hawk", is an American former center fielder and right fielder. During a 21-year baseball career, he played for four different teams, spending most of his career with the Montreal Expos and Chicago Cubs .An 8-time National League All-Star, he was named the...
  
   for the 3500th strikeout in his career.
• April 27, 1983: Nolan Ryan struck out Brad Mills of the Expos
  1983 Montreal Expos season
  The Montreal Expos season was the fifteenth in franchise history. At the end of the season, the Expos had managed the best cumulative winning percentage in the National League from 1979 to 1983.- Offseason :...
  
   to break Walter Johnson
  Walter Johnson
  Walter Perry Johnson , nicknamed "Barney" and "The Big Train", was a Major League Baseball right-handed pitcher. He played his entire 21-year baseball career for the Washington Senators...
  
  's all time mark for strikeouts in a career. Mills was the 3,509th strikeout of Ryan’s career.

Notable transactions

• June 6, 1983: Robbie Wine
  Robbie Wine
  Robert Paul Wine, Jr. is an American former Major League Baseball player. A catcher, Wine played for the Houston Astros in and . He last played professional baseball in ....
  
   was drafted by the Astros in the 1st round (8th pick) of the 1983 Major League Baseball Draft
  1983 Major League Baseball Draft
  -First round selections:The following are the first round picks in the 1983 Major League Baseball draft.* Did not sign- Other notable players :*Kevin Ward, 6th round...
  
  .
• June 17, 1983: Danny Boone
  Danny Boone
  Daniel Hugh Boone is a former professional baseball pitcher. He pitched parts of three seasons in Major League Baseball, appearing in 1981, 1982, and 1990...
  
   was released by the Astros.

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system