| Club | League | Years |
|---|---|---|
| Sporting CP | Primeira Liga | 2011–2016, 2020–2021 |
| Inter | Serie A | 2016–2021 |
| West Ham United | Premier League | 2018 |
| Benfica | Primeira Liga | 2021–2025 |
| Beşiktaş | Süper Lig | 2024–2025, 2025–2026 |
| AEK | Super League Greece | 2025–2026, 2026– |
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 João Mário an answer for?
In Who Played Both, if two of these clubs meet, João Mário is one of the right answers.
- Benfica – Sporting CP 53 players
- Benfica – Beşiktaş 14 players
- Benfica – Inter 13 players
- AEK – Benfica 12 players
- Inter – Sporting CP 11 players
- Inter – West Ham United 9 players
- Benfica – West Ham United 9 players
- Beşiktaş – Inter 8 players
- Sporting CP – West Ham United 7 players
- Beşiktaş – Sporting CP 7 players
- AEK – Inter 7 players
- Beşiktaş – West Ham United 7 players
- AEK – Beşiktaş 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.