Vladimir Sobotka trades
| St. Louis Blues acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
 | Ryan O`Reilly | July 1, 2018 | Vladimir Sobotka |  |
| Patrik Berglund | ||||
| Tage Thompson | ||||
| 2019 1st round pick | ||||
| 2021 2nd round pick | ||||
| Boston Bruins acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | David Warsofsky | June 26, 2010 | Vladimir Sobotka | |