| Club | League | Years |
|---|---|---|
| Manchester City | Premier League | 2018–2021 |
| Leeds United | Premier League | 2018–2019, 2019–2020, 2020–2021, 2021–2026 |
| Middlesbrough | Premier League | 2018 |
| Everton | Premier League | 2023–2024, 2024–2025 |
| Fiorentina | Serie A | 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 Jack Harrison an answer for?
In Who Played Both, if two of these clubs meet, Jack Harrison is one of the right answers.
- Everton – Manchester City 54 players
- Leeds United – Middlesbrough 40 players
- Leeds United – Manchester City 35 players
- Manchester City – Middlesbrough 28 players
- Everton – Leeds United 28 players
- Everton – Middlesbrough 25 players
- Fiorentina – Manchester City 10 players
- Everton – Fiorentina 8 players
- Fiorentina – Leeds United 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.