| Alex Lyon was added to Senators. |
| Richard Panik was added to Senators. |
| Ashton Sautner was added to Senators. |
| Patrik Elias was added to Senators. |
| TRADE : From Senators to Devils : Troy Brouwer. |
| Luca Sbisa was added to Senators. |
| Jiri Tlusty was added to Senators. |
| Wayne Simmonds was added to Senators. |
| Senators paid 1.085.175 € to release Corey Cowick. |
| Samuel Houde has been added to Senators. |
| Jiri Tlusty was released. |
| Unknown Player is no longer as assistant for Senators. |
| Senators paid 955.500 € to release Mikko Vainonen. |
| Senators paid 0 € to release Manny Malhotra. |
| TRADE : From Senators to Coyotes : Cory Schneider. |
| Sam Gagner was added to Senators. |
| Corey Cowick was released. |
| Vincent Lecavalier was added to Senators. |
| Michael Callahan has been added to Senators. |
| Kari Lehtonen was added to Senators. |