| Club | League | Years |
|---|---|---|
| Reading | Premier League | 2007–2014 |
| Brentford | Premier League | 2010 |
| Leeds United | Premier League | 2011–2012 |
| Ipswich Town | Premier League | 2012 |
| QPR | Premier League | 2014–2015 |
| Crystal Palace | Premier League | 2015–2016 |
| Southampton | Premier League | 2016–2026 |
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 Alex McCarthy an answer for?
In Who Played Both, if two of these clubs meet, Alex McCarthy is one of the right answers.
- Brentford – QPR 79 players
- Brentford – Crystal Palace 73 players
- Crystal Palace – QPR 70 players
- Brentford – Reading 64 players
- Reading – Southampton 58 players
- Crystal Palace – Reading 50 players
- QPR – Southampton 45 players
- Crystal Palace – Ipswich Town 40 players
- Brentford – Ipswich Town 36 players
- QPR – Reading 33 players
- Crystal Palace – Leeds United 33 players
- Brentford – Southampton 32 players
- Ipswich Town – Leeds United 32 players
- Ipswich Town – QPR 31 players
- Crystal Palace – Southampton 31 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.