The list
| # | Player | Born | Celtic | Leeds United |
|---|---|---|---|---|
| 1 | Robbie Keane | 1980 | 2010 | 2000–2001, 2001–2002 |
| 2 | Kasper Schmeichel | 1986 | 2024–2026 | 2010–2011 |
| 3 | Mark Viduka | 1975 | 1998–2000 | 2000–2004 |
| 4 | Barry Bannan | 1989 | — | 2011 |
| 5 | Darren O'Dea | 1987 | 2006–2012 | 2011–2012 |
| 6 | Liam Miller | 1981 | 2000–2004 | 2005–2006 |
| 7 | Bobby Collins | 1931 | 1949–1958 | 1962–1967 |
| 8 | Michael Gray | 1974 | 2003 | 2005, 2007 |
| 9 | Alan Thompson | 1973 | 2000–2007 | 2007, 2007–2008 |
| 10 | Tony Warner | 1974 | 1998–1999 | 2006, 2010 |
| 11 | Stephen Crainey | 1981 | 1997–2004 | 2004–2007 |
| 12 | Paul Telfer | 1971 | 2005–2007 | 2008–2009 |
| 13 | Steve Guppy | 1969 | 2001–2004 | 2004 |
| 14 | George McCluskey | 1957 | 1975–1983 | 1983–1986 |
| 15 | Ian Andrews | 1964 | 1988–1989 | 1988 |
| 16 | Eric Smith | 1934 | 1954–1960 | 1960–1963 |
| 17 | Jim Melrose | 1958 | 1983–1984 | 1987 |
| 18 | Billy Dunn | 1910 | 1933–1935 | 1942 |
| 19 | Johnny Paton | 1923 | 1942–1949 | 1945 |
Which way they moved
- Celtic first, then Leeds United: 15
- Leeds United 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 Leeds 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 Leeds United
- Leeds United – Sheffield United 63 players
- Leeds United – Sunderland 47 players
- Leeds United – Leicester City 45 players
- Hull City – Leeds United 44 players
- Huddersfield – Leeds United 41 players
- Leeds United – Middlesbrough 40 players
- Leeds United – Nottingham Forest 39 players
- Coventry City – Leeds United 37 players
Leeds 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.