Michael Dark trades
| Calgary Flames acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Steve Bozek | September 6, 1988 | Mike Bullard |  |
| Michael Dark | Tim Corkery | |||
| Doug Gilmour | Craig Coxe | |||
| Mark Hunter | ||||
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | 1985 1st round pick (#12-Jose Charbonneau) | June 15, 1985 | Michael Dark | |
| 1985 2nd round pick (#33-Todd Richards) | Mark Hunter | |||
| 1985 4th round pick (#75-Martin Desjardins) | 1985 2nd round pick (#37-Herb Raglan) | |||
| 1985 5th round pick (#96-Tom Sagissor) | 1985 3rd round pick (#44-Nelson Emerson) | |||
| 1985 6th round pick (#117-Donald Dufresne) | 1985 5th round pick (#100-Dan Brooks) | |||
| 1986 6th round pick (#121-Rick Burchill (Rich Burchill)) | ||||