David Warsofsky trades
| Pittsburgh Penguins acquire | Date | Toronto Maple Leafs acquire | ||
|---|---|---|---|---|
 | Kasperi Kapanen | August 25, 2020 | 2020 1st round pick |  |
| Pontus Aberg | Evan Rodrigues | |||
| Jesper Lindgren | Filip Hallander | |||
| David Warsofsky | ||||
| Boston Bruins acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | David Warsofsky | June 26, 2010 | Vladimir Sobotka |  |