The list
| # | Player | Born | Celtic | Watford |
|---|---|---|---|---|
| 1 | Mo Johnston | 1963 | 1984–1987 | 1983–1984 |
| 2 | Malky Mackay | 1972 | 1993–1998 | 2005–2008 |
| 3 | Craig Beattie | 1984 | 2003–2007 | 2011 |
| 4 | Ramon Vega | 1971 | 2000–2001 | 2001–2002 |
| 5 | Mick O'Brien | 1893 | 1912–1913 | 1931–1933 |
| 6 | Willie Falconer | 1966 | 1994–1996 | 1988–1991 |
| 7 | Stuart Slater | 1969 | 1992–1993 | 1996–1999 |
| 8 | Don Lees | 1873 | 1892–1894 | 1904–1905 |
| 9 | Jimmy Kennedy | 1883 | 1903–1905 | 1913–1915 |
| 10 | Johnny Paton | 1923 | 1942–1949 | 1952–1955 |
Which way they moved
- Celtic first, then Watford: 8
- Watford first, then Celtic: 2
Test yourself
Three more club pairs: name one player for each.
Play it
In Who Played Both you and your opponent secretly pick a club each. If the clubs are Celtic and Watford, the first to name one of the players above in 15 seconds wins the round.
More pairs with Celtic
- Aston Villa – Celtic 30 players
- Celtic – Sunderland 29 players
- Celtic – Manchester City 27 players
- Celtic – Norwich City 27 players
- Celtic – Middlesbrough 26 players
- Celtic – Southampton 25 players
- Celtic – Leicester City 25 players
- Celtic – Coventry City 24 players
Celtic: every club it shares players with
More pairs with Watford
- QPR – Watford 70 players
- Brentford – Watford 61 players
- Tottenham Hotspur – Watford 54 players
- Sheffield United – Watford 51 players
- Reading – Watford 48 players
- Crystal Palace – Watford 46 players
- Brighton – Watford 44 players
- Watford – West Ham United 41 players
Watford: every club it shares players with
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.