Jeff Parker trades
| Hartford Whalers acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | John Cullen | March 4, 1991 | Ron Francis |  |
| Jeff Parker | Grant Jennings | |||
| Zarley Zalapski | Ulf Samuelsson | |||
| Buffalo Sabres acquire | Date | Winnipeg Jets acquire | ||
|---|---|---|---|---|
 | Dale Hawerchuk | June 16, 1990 | Scott Arniel |  |
| 1990 1st round pick (#14-Brad May) | Phil Housley | |||
| Jeff Parker | ||||
| 1990 1st round pick (#19-Keith Tkachuk) | ||||