| Richard Panik was added to Senators. |
| Alex Lyon was added to Senators. |
| Patrik Elias was added to Senators. |
| Ashton Sautner was added to Senators. |
| TRADE : From Senators to Devils : Troy Brouwer. |
| Luca Sbisa was added to Senators. |
| Jiri Tlusty was added to Senators. |
| Senators paid 0 € to release Jason LaBarbera. |
| Senators paid 0 € to release Darroll Powe. |
| Raphael Diaz was released. |
| Dysin Mayo was added to Senators. |
| Raphael Diaz was added to Senators. |
| Carsen Twarynski was added to Senators. |
| Senators paid 0 € to release Ben Youds. |
| TRADE : From Senators to Oilers : Tobias Enstrom. |
| Dmitry Semykin has been added to Senators. |
| Philippe Paradis was released. |
| Unknown Player is no longer captain for Senators. |
| Senators paid 715.000 € to release Ramon Untersander. |
| Brock Nelson was added to Senators. |
