| Club | League | Years |
|---|---|---|
| Stuttgart | Bundesliga | 1960–1969 |
| Borussia Mönchengladbach | Bundesliga | 1969–1974 |
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 Klaus-Dieter Sieloff an answer for?
In Who Played Both, if two of these clubs meet, Klaus-Dieter Sieloff is one of the right answers.
- Borussia Mönchengladbach – Stuttgart 20 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.
