The Houston Astros were founded in 1962. The franchise Also played as Houston Colt .45s. The Houston Astros have played for 5 Pennants, participated in 16 playoff series, and in 2 World Series. So far there are 10 players that have been inducted into the Baseball Hall of Fame.
- The Astros retired the jersey number 5 in honor of Jeff Bagwell.
- The Astros retired the jersey number 7 in honor of Craig Biggio.
- The Astros retired the jersey number 24 in honor of Jimmy Wynn.
- The Astros retired the jersey number 25 in honor of José Cruz.
- The Astros retired the jersey number 32 in honor of Jim Umbricht.
- The Astros retired the jersey number 33 in honor of Mike Scott.
- The Astros retired the jersey number 34 in honor of Nolan Ryan.
- The Astros retired the jersey number 40 in honor of Don Wilson.
- The Astros retired the jersey number 49 in honor of Larry Dierker.
- The All MLB retired the jersey number 42 in honor of Jackie Robinson.