Dave Semenko trades
| Toronto Maple Leafs acquire | Date | Hartford Whalers acquire | ||
|---|---|---|---|---|
 | Dave Semenko | September 8, 1987 | Bill Root |  |
| Hartford Whalers acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
| Dave Semenko | December 12, 1986 | 1988 3rd round pick (#53-Trevor Sim) |  |
| Minnesota North Stars acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
 | 1979 2nd round pick (#42-Neal Broten) | August 9, 1979 | Dave Semenko | |
| 1979 3rd round pick (#63-Kevin Maxwell) | 1979 3rd round pick (#48-Mark Messier) | |||