Offseason
- October 14, 1952: Gus Bell was traded by the Pirates to the Cincinnati Reds for Cal Abrams, Joe Rossi, and Gail Henley.
- Prior to 1953 season: Don Williams was signed as an amateur free agent by the Pirates.
- March 19, 1953: Johnny O'Brien was signed by the Pirates as an amateur free agent (bonus baby).
- March 19, 1953: Eddie O'Brien was signed by the Pirates as an amateur free agent (bonus baby).
Read more about this topic: 1953 Pittsburgh Pirates Season