Only the clubs in the game are in the data; spells at other clubs, loans and youth years may be missing.
Which club pairs is Klaus Berggreen an answer for?
In Who Played Both, if two of these clubs meet, Klaus Berggreen is one of the right answers.
- Roma – Torino 64 players
- Pisa – Torino 54 players
- Pisa – Roma 50 players
Source: Wikidata (CC0), Wikipedia club articles and player infoboxes (years at each club). Youth spells and appearances that look unplayed are left out; volunteer-kept records can contain gaps or errors.