Ludwig Karlsson trades
| Dallas Stars acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Jason Spezza | July 1, 2014 | Alex Chiasson |  |
| Ludwig Karlsson | Alexander Guptill | |||
| Nicholas Paul | ||||
| 2015 2nd round pick | ||||
History of NHL trades
| Dallas Stars acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Jason Spezza | July 1, 2014 | Alex Chiasson | |
| Ludwig Karlsson | Alexander Guptill | |||
| Nicholas Paul | ||||
| 2015 2nd round pick | ||||