| Club | League | Years |
|---|---|---|
| Sampdoria | Serie A | 1960–1970 |
| Empoli | Serie A | 1961–1962 |
| Inter | Serie A | 1970–1972 |
| Lazio | Serie A | 1972–1975 |
| Cesena | Serie A | 1975–1977 |
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 Mario Frustalupi an answer for?
In Who Played Both, if two of these clubs meet, Mario Frustalupi is one of the right answers.
- Inter – Sampdoria 91 players
- Inter – Lazio 91 players
- Empoli – Sampdoria 60 players
- Cesena – Inter 57 players
- Lazio – Sampdoria 50 players
- Cesena – Sampdoria 43 players
- Empoli – Lazio 40 players
- Cesena – Empoli 40 players
- Empoli – Inter 36 players
- Cesena – Lazio 35 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.