Geoff Courtnall trades
| Vancouver Canucks acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Geoff Courtnall | March 5, 1991 | Garth Butcher |  |
| Robert Dirk | Dan Quinn | |||
| Sergio Momesso | ||||
| Cliff Ronning | ||||
| 1992 5th round pick (#110-Brian Loney) | ||||
| St. Louis Blues acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| Geoff Courtnall | July 13, 1990 | Mike Lalor |  |
| Peter Zezel | ||||
| Boston Bruins acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
 | Andy Moog | March 8, 1988 | Geoff Courtnall |  |
| Bill Ranford | ||||
| 1988 2nd round pick (#39-Petro Koivunen) | ||||