Offseason
- October 17, 1967: Bob Lillis was released by the Astros.
- October 25, 1967: César Cedeño was signed as an amateur free agent by the Astros.
- November 28, 1967: Doc Edwards was drafted from the Astros by the Philadelphia Phillies in the 1967 minor league draft.
Read more about this topic: 1968 Houston Astros Season