Calvin Howarth History
| Club | Country | Position | NO | From | To |
|---|---|---|---|---|---|
| Scotland A | Scotland | Outside Half | 01/01/2000 | ||
| Edinburgh Rugby | Scotland | Center | 01/07/2001 | 01/08/2002 | |
| Glasgow Warriors | Scotland | Outside Half | 01/08/2002 | 01/08/2006 | |
| Viadana | Italy | Outside Half | 01/08/2006 |
NO = Player number .