It sounds like you're looking for a within a third-party database editor or a custom database download for FIFA Manager 14 .

Would you like specific links to the last known working editor version or step-by-step instructions on loading a downloaded database into the game?

Since FIFA Manager 14 (by Bright Future / EA) is no longer supported officially, the community relies on tools like (often called "FIFA M14 Editor" or "Rinaldo's Editor" – though Rinaldo is known for FIFA, similar concepts apply) or the "FIFA Manager 14 Creation Centre" replacement tools.