| Patrik Elias was added to Lightning. |
| Richard Panik was added to Lightning. |
| Andrew MacDonald was added to Lightning. |
| TRADE : From Islanders to Lightning : Andrew MacDonald. |
| Michael Rasmussen was added to Lightning. |
| Lightning paid 0 € to release Jarret Stoll. |
| Nicolas Roy was added to Lightning. |
| Dwight King was released. |
| TRADE : From Lightning to Golden Knights : Ville Pokka. |
| Patrick Bordeleau was released. |
| Lightning paid 0 € to release Casey Wellman. |
| Rattlesnakes didn\'t make playoff for year 2017. |
| Lightning paid 0 € to release Vincent Lecavalier. |
| Timothy Liljegren was added to Lightning. |
| Jarret Stoll was released. |
| Niklas Hansson was added to Lightning. |
| Rattlesnakes hired Brad Larsen for 450.000 € for 3 year(s). |
| Lightning paid 0 € to release TJ Galiardi. |
| Casey Wellman was released. |
| Roman Lyubimov was added to Lightning. |
