Brent Hughes trades
| St. Louis Blues acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
 | cash | October 27, 1973 | Brent Hughes |  |
| St. Louis Blues acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Brent Hughes | December 14, 1972 | Andre Dupont |  |
| Pierre Plante | 1973 3rd round pick (#40-Bob Stumpf) | |||
| Los Angeles Kings acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Mike Byers | May 20, 1970 | Brent Hughes | |