| Club | League | Years |
|---|---|---|
| Greuther Fürth | Bundesliga | 2002–2005 |
| Arminia Bielefeld | Bundesliga | 2005–2007 |
| Schalke 04 | Bundesliga | 2007–2010 |
| Hamburger SV | Bundesliga | 2010–2015 |
| Real Betis | La Liga | 2015–2016 |
| Ajax | Eredivisie | 2016–2017 |
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 Heiko Westermann an answer for?
In Who Played Both, if two of these clubs meet, Heiko Westermann is one of the right answers.
- Hamburger SV – Schalke 04 28 players
- Greuther Fürth – Hamburger SV 25 players
- Arminia Bielefeld – Schalke 04 22 players
- Arminia Bielefeld – Hamburger SV 21 players
- Arminia Bielefeld – Greuther Fürth 11 players
- Greuther Fürth – Schalke 04 11 players
- Ajax – Schalke 04 9 players
- Ajax – Hamburger SV 9 players
- Ajax – Real Betis 7 players
- Ajax – Arminia Bielefeld 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.