1989 Houston Astros season

Offseason

• December 4, 1988: The Astros traded a player to be named later to the Minnesota Twins for Mark Portugal. The Astros completed the deal by sending Todd McClure to the Twins on December 7.
• December 21, 1988: Bob Forsch was signed as a free agent by the Astros.
• January 10, 1989: John Fishel, Mike Hook, and Pedro DeLeon were traded by the Astros to the New York Yankees for Rick Rhoden.
• January 30, 1989: Dan Schatzeder was signed as a free agent by the Astros.
• February 16, 1989: Roger Mason was signed as a Free Agent with the Houston Astros.
• March 31, 1989: Dave Johnson and Victor Hithe were traded by the Astros to the Baltimore Orioles for Carl Nichols.

  Regular season

Standings

Record vs. opponents

Notable transactions

• April 5, 1989: Greg Gross was signed as a Free Agent with the Houston Astros.
• April 6, 1989: Troy Afenir was traded by the Astros to the Oakland Athletics for Matt Sinatro.
• June 5, 1989: Jeff Juden was drafted by the Astros in the 1st round of the 1989 Major League Baseball draft. Player signed June 30, 1989.

  Roster

Player stats

Batting

Starters by position

Other batters

Pitching

Starting pitchers

Other pitchers

Relief pitchers

Farm system