Patrick Mullen trades
| Ottawa Senators acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
 | Conor Allen | January 14, 2016 | Patrick Mullen |  |
| Ottawa Senators acquire | Date | Vancouver Canucks acquire | ||
|---|---|---|---|---|
| Patrick Mullen | March 4, 2014 | Jeff Costello |  |
History of NHL trades
| Ottawa Senators acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
| Conor Allen | January 14, 2016 | Patrick Mullen | |
| Ottawa Senators acquire | Date | Vancouver Canucks acquire | ||
|---|---|---|---|---|
| Patrick Mullen | March 4, 2014 | Jeff Costello | |