| 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. |
| Joe Pavelski was added to Senators. |
| Chris Kelly was added to Senators. |
| Senators paid 0 € to release Josh Gorges. |
| Troy Brouwer was added to Senators. |
| Senators paid 375.375 € to release Justin Mercier. |
| Marcus Kruger was added to Senators. |
| Danila Zhuravlyov has been added to Senators. |
| Alexandre Belanger was added to Senators. |
| Senators paid 0 € to release Ville Leino. |
| Josh Gorges was released. |
| TRADE : From Ducks to Senators : Troy Brouwer. |
| Justin Mercier was released. |
| Jesper Sellgren has been added to Senators. |
