European League
Serie A
Common Players| Photo | Name | Position | Date of birth |
|---|---|---|---|
 | Nicolas N'Koulou | Defender | 1990-03-27 |
 | Ismaïla Sarr | Attacker | 1998-02-25 |
Other Common Players for Watford
- Watford and Olympique Lyonnais Players
- Watford and Ajaccio Players
- Watford and Nantes Players
- Watford and Nice Players
- Watford and Rennes Players
- Watford and Lille Players
- Watford and Guingamp Players
- Watford and Toulouse Players
- Watford and Montpellier Players
- Watford and Reims Players
- Watford and Caen Players
- Watford and Strasbourg Players
Other Common Players for Olympique Marseille
- Sunderland and Olympique Marseille Players
- West Ham United and Olympique Marseille Players
- Fulham and Olympique Marseille Players
- Aston Villa and Olympique Marseille Players
- Charlton Athletic and Olympique Marseille Players
- Portsmouth and Olympique Marseille Players
- Liverpool and Olympique Marseille Players
- Manchester United and Olympique Marseille Players
- Wigan Athletic and Olympique Marseille Players
- Chelsea and Olympique Marseille Players
- Newcastle United and Olympique Marseille Players
- Blackburn Rovers and Olympique Marseille Players
- Tottenham Hotspur and Olympique Marseille Players
- Manchester City and Olympique Marseille Players
- West Bromwich Albion and Olympique Marseille Players
- Everton and Olympique Marseille Players
- Sheffield United and Olympique Marseille Players
- Hull City and Olympique Marseille Players
- Arsenal and Olympique Marseille Players