Colin Allen History
| Club | Country | Position | NO | From | To |
|---|---|---|---|---|---|
| Northampton Saints | England | Openside Flanker | 01/08/1998 | 01/08/2000 | |
| London Irish | England | Openside Flanker | 01/08/2000 | 05/09/2001 | |
| London Wasps | England | Openside Flanker | 05/09/2001 | 01/08/2002 |
NO = Player number .