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Pittsburgh Penguins trades for 1990-91
| Edmonton Oilers acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Brad Aitken | March 5, 1991 | Kim Issel |  |
| Buffalo Sabres acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Tony Tanti | March 5, 1991 | rights to Ken Priestlay | |
| Hartford Whalers acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | John Cullen | March 4, 1991 | Ron Francis | |
| Jeff Parker | Grant Jennings | |||
| Zarley Zalapski | Ulf Samuelsson | |||
| Hartford Whalers acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| Rob Brown | December 21, 1990 | Scott Young | |
| Calgary Flames acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Jim Kyte | December 13, 1990 | Jiri Hrdina | |
| Minnesota North Stars acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Chris Dahlquist | December 11, 1990 | Larry Murphy | |
| Jim E. Johnson | Peter Taglianetti | |||
| St. Louis Blues acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | future considerations | October 27, 1990 | Gordie Roberts | |
| St. Louis Blues acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| future considerations (1992 eleventh round pick (#259-Wade Salzman)) | October 2, 1990 | Gordie Roberts | |
| Calgary Flames acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| 1990 2nd round pick (#26-Nicolas Perreault) | June 16, 1990 | Joe Mullen | |