Johnny Boychuk trades
| Buffalo Sabres acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
 | Johnny Boychuk | November 4, 2021 | Future considerations |  |
| New York Islanders acquire | Date | Boston Bruins acquire | ||
|---|---|---|---|---|
| Johnny Boychuk | October 4, 2014 | 2015 2nd round pick |  |
| 2016 2nd round pick | ||||
| 2015 conditional 3rd round pick | ||||
| Boston Bruins acquire | Date | Colorado Avalanche acquire | ||
|---|---|---|---|---|
| Johnny Boychuk | June 24, 2008 | Matt Hendricks |  |