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 Kenneth Vermeer an answer for?
In Who Played Both, if two of these clubs meet, Kenneth Vermeer is one of the right answers.
- Ajax – Feyenoord 41 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.