Logan Brown trades
| Ottawa Senators acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Zach Sanford | September 25, 2021 | 2022 conditional 4th round pick |  |
| Logan Brown | ||||
| Comment: If Brown plays more than 30 regular season games in 2021-22, the conditional draft pick will be removed from the deal. | ||||