Tuomas Gronman trades
| Chicago Blackhawks acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Greg Johnson | October 27, 1997 | Tuomas Gronman |  |
| Chicago Blackhawks acquire | Date | Colorado Avalanche acquire | ||
|---|---|---|---|---|
| Tuomas Gronman | July 10, 1996 | 1998 2nd round pick (#38-Philippe Sauve) |  |