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 Attilio Ferraris an answer for?
In Who Played Both, if two of these clubs meet, Attilio Ferraris is one of the right answers.
- Lazio – Roma 56 players
- Catania – Lazio 42 players
- Catania – Roma 38 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.