Matt Niskanen trades
| Washington Capitals acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Radko Gudas | June 14, 2019 | Matt Niskanen |  |
| Dallas Stars acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Alex Goligoski | February 21, 2011 | James Neal |  |
| Matt Niskanen | ||||
History of NHL trades
| Washington Capitals acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Radko Gudas | June 14, 2019 | Matt Niskanen | |
| Dallas Stars acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| Alex Goligoski | February 21, 2011 | James Neal | |
| Matt Niskanen | ||||