| Club | League | Years |
|---|---|---|
| Celtic | Scottish Premiership | 1995–1997 |
| Nottingham Forest | Premier League | 1997–1999 |
| Benfica | Primeira Liga | 2000–2001 |
| Feyenoord | Eredivisie | 2001–2003, 2006–2007 |
| Fenerbahçe | Süper Lig | 2003–2005 |
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 Pierre van Hooijdonk an answer for?
In Who Played Both, if two of these clubs meet, Pierre van Hooijdonk is one of the right answers.
- Celtic – Nottingham Forest 18 players
- Benfica – Fenerbahçe 10 players
- Benfica – Nottingham Forest 9 players
- Celtic – Feyenoord 8 players
- Benfica – Feyenoord 6 players
- Fenerbahçe – Feyenoord 6 players
- Benfica – Celtic 4 players
- Feyenoord – Nottingham Forest 4 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.