| Club | League | Years |
|---|---|---|
| Hellas Verona | Serie A | 2003–2006 |
| Sampdoria | Serie A | 2003, 2015–2016 |
| Palermo | Serie A | 2006–2011 |
| Fiorentina | Serie A | 2011–2013 |
| Parma | Serie A | 2013–2015 |
| Genoa | Serie A | 2013 |
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 Mattia Cassani an answer for?
In Who Played Both, if two of these clubs meet, Mattia Cassani is one of the right answers.
- Fiorentina – Genoa 106 players
- Genoa – Hellas Verona 101 players
- Fiorentina – Hellas Verona 99 players
- Fiorentina – Sampdoria 92 players
- Genoa – Parma 88 players
- Parma – Sampdoria 80 players
- Genoa – Palermo 77 players
- Palermo – Parma 76 players
- Fiorentina – Parma 76 players
- Hellas Verona – Palermo 74 players
- Fiorentina – Palermo 62 players
- Hellas Verona – Parma 61 players
- Genoa – Sampdoria 61 players
- Hellas Verona – Sampdoria 60 players
- Palermo – Sampdoria 52 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.