Worst trades - St. Louis Blues
| Edmonton Oilers acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Chris Pronger | August 2, 2005 | Eric Brewer |  |
| Doug Lynch | ||||
| Jeff Woywitka | ||||
| St. Louis Blues acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Pavol Demitra | November 27, 1996 | Christer Olsson |  |
| St. Louis Blues acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
| Paul MacLean | June 15, 1989 | Bernie Federko |  |
| Adam Oates | Tony McKegney | |||
| Calgary Flames acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Rob Ramage | March 7, 1988 | Steve Bozek | |
| Rick Wamsley | Brett Hull | |||
| St. Louis Blues acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
| Wayne Connelly | February 6, 1971 | Red Berenson | |
| Garry Unger | Tim Ecclestone | |||