Pierre Plante trades
| St. Louis Blues acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | Dick Redmond | August 9, 1977 | Pierre Plante |  |
| St. Louis Blues acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Brent Hughes | December 14, 1972 | Andre Dupont |  |
| Pierre Plante | 1973 3rd round pick (#40-Bob Stumpf) | |||