Greg Johnson trades
| Chicago Blackhawks acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Greg Johnson | October 27, 1997 | Tuomas Gronman |  |
| Detroit Red Wings acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Tomas Sandstrom | January 27, 1997 | Greg Johnson | |
| Detroit Red Wings acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Greg Johnson | June 20, 1993 | Jim Cummins |  |
| 1994 5th round pick (#114-Frederic Deschenes) | 1993 4th round pick (#88-Charles Paquette) | |||