The list
| # | Player | Born | Cardiff City | Watford |
|---|---|---|---|---|
| 1 | Danny Drinkwater | 1990 | 2010–2011 | 2011 |
| 2 | Heiðar Helguson | 1977 | 2012–2013 | 1999–2005, 2009–2010 |
| 3 | Rob Page | 1974 | 2004–2005 | 1993–2001 |
| 4 | Michael Chopra | 1983 | 2006–2007, 2008, 2009, 2009–2011 | 2003 |
| 5 | Jordon Mutch | 1991 | 2012–2014 | 2010–2011 |
| 6 | Jobi McAnuff | 1981 | 2004–2005 | 2007–2009 |
| 7 | Matthew Connolly | 1987 | 2012–2020 | 2015 |
| 8 | John McClelland | 1955 | 1974–1975 | 1984–1990 |
| 9 | Andrew Taylor | 1986 | 2011–2014 | 2010–2011 |
| 10 | Don Cowie | 1983 | 2011–2014 | 2009–2011 |
| 11 | Tommy Smith | 1980 | 2012–2014 | 1997–2003, 2006–2009 |
| 12 | Neal Ardley | 1972 | 2005–2006 | 2002–2005 |
| 13 | Neil Cox | 1971 | 2005–2006 | 1999–2005 |
| 14 | James Chambers | 1980 | 2006 | 2004–2007 |
| 15 | Fred Pagnam | 1891 | 1921 | 1921–1926 |
| 16 | Bobby Brown | 1940 | 1966–1968 | 1961–1963 |
| 17 | Peter Molloy | 1909 | 1934–1935 | 1943 |
| 18 | Mel Rees | 1967 | 1984–1987 | 1987–1990 |
| 19 | Danny Hill | 1974 | 1998, 1998–2001 | 1996 |
| 20 | Dai Ward | 1934 | 1954, 1961–1962 | 1962–1963 |
| 21 | Jermaine Darlington | 1974 | 2005–2006 | 2004–2005 |
| 22 | Gerry Harrison | 1972 | 1992 | 1990–1991 |
| 23 | Dai Thomas | 1975 | 1998–2000 | 1997–1998 |
| 24 | Bernie Lewis | 1945 | 1963–1967 | 1967–1970 |
| 25 | Jimmy Gilligan | 1964 | 1987–1989 | 1981–1985 |
| 26 | Paul Harding | 1964 | 1995–1997 | 1993 |
| 27 | Garry Thompson | 1959 | 1993–1995 | 1988–1990 |
| 28 | Gary Plumley | 1956 | 1983–1985 | 1987 |
| 29 | Mick Henderson | 1956 | 1982 | 1979–1982 |
| 30 | Joe Roberts | 1900 | 1935–1936 | 1926–1927 |
| 31 | Bert Smith | 1890 | 1919–1923 | 1925–1927 |
Which way they moved
- Cardiff City first, then Watford: 10
- Watford first, then Cardiff City: 20
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 Cardiff City and Watford, the first to name one of the players above in 15 seconds wins the round.
More pairs with Cardiff City
- Cardiff City – Swansea City 67 players
- Cardiff City – Middlesbrough 43 players
- Cardiff City – Crystal Palace 43 players
- Cardiff City – QPR 40 players
- Cardiff City – Hull City 40 players
- Cardiff City – Coventry City 38 players
- Cardiff City – Leicester City 38 players
- Cardiff City – Fulham 36 players
Cardiff City: 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.