The list
| # | Player | Born | Celtic | West Ham United |
|---|---|---|---|---|
| 1 | Robbie Keane | 1980 | 2010 | 2011 |
| 2 | Freddie Ljungberg | 1977 | 2011 | 2007–2008 |
| 3 | Joe Hart | 1987 | 2021–2024 | 2017–2018 |
| 4 | Ian Wright | 1963 | 1999–2000 | 1998–1999 |
| 5 | Paolo Di Canio | 1968 | 1996–1997 | 1999–2003 |
| 6 | Craig Bellamy | 1979 | 2005 | 2007–2009 |
| 7 | Carlton Cole | 1983 | 2015–2016 | 2006–2013, 2013–2015 |
| 8 | Henri Camara | 1977 | 2004–2005 | 2007–2008 |
| 9 | John Hartson | 1975 | 2001–2006 | 1997–1999 |
| 10 | Marc Rieper | 1968 | 1997–2000 | 1994–1997 |
| 11 | Eyal Berkovic | 1972 | 1999–2001 | 1996–1999 |
| 12 | Sead Haksabanovic | 1999 | 2022–2024 | 2017–2020 |
| 13 | Albian Ajeti | 1997 | 2020–2021 | 2019–2020 |
| 14 | Malky Mackay | 1972 | 1993–1998 | 2004–2005 |
| 15 | Tommy Coyne | 1962 | 1989–1993 | — |
| 16 | Frank McAvennie | 1959 | 1987–1989, 1992–1994 | 1985–1987, 1989–1992 |
| 17 | Billy Grassam | 1878 | 1903 | 1900–1903, 1905–1909 |
| 18 | John Cushley | 1943 | 1960–1967 | 1967–1970 |
| 19 | John Blackwood | 1877 | 1899–1900 | 1904–1905 |
| 20 | Stuart Slater | 1969 | 1992–1993 | 1986–1992 |
| 21 | Allen McKnight | 1964 | 1986–1988 | 1988–1991 |
| 22 | Armstrong Oko-Flex | 2002 | 2021 | 2022 |
| 23 | Hugh Monteith | 1874 | — | 1900–1902 |
Which way they moved
- Celtic first, then West Ham United: 9
- West Ham United first, then Celtic: 12
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 West Ham United, 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 West Ham United
- Tottenham Hotspur – West Ham United 52 players
- Brentford – West Ham United 51 players
- Southampton – West Ham United 48 players
- Crystal Palace – West Ham United 47 players
- Chelsea – West Ham United 46 players
- QPR – West Ham United 46 players
- Arsenal – West Ham United 45 players
- Fulham – West Ham United 45 players
West Ham United: 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.