| | G | Sent to minors (Ontario-AHL) |
| | G | Designated for assignment (Taxi squad) |
| | LW | Designated for assignment (Taxi squad) |
| | LW | Designated for assignment (Taxi squad) |
| | C | Called up from minors (from taxi squad) |
| | C | Called up from minors (from taxi squad) |
| | LW | Sent to minors (Ontario-AHL) |
| | D | Sent to minors (Ontario-AHL) |
| | C | Designated for assignment (Taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | C | Called up from minors (from taxi squad) |
| | LW | Designated for assignment (Taxi squad) |
| | D | Sent to minors (Ontario-AHL) |
| | D | Sent to minors (Ontario-AHL) |
| | G | Sent to minors (Ontario-AHL) |
| | D | Designated for assignment (Taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | G | Waived (Signed) |
| | D | Waived (Signed) |
| | C | Designated for assignment (Taxi squad) |
| | RW | Sent to minors (Ontario-AHL) |
| | C | Sent to minors (Ontario-AHL) |
| | D | Designated for assignment (Taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | C | Designated for assignment (Taxi squad) |
| | D | Sent to minors (Ontario-AHL) |
| | D | Sent to minors (Ontario-AHL) |
| | C | Sent to minors (Ontario-AHL) |
| | C | Sent to minors (Ontario-AHL) |
| | D | Sent to minors (Ontario-AHL) |
| | C | Sent to minors (Ontario-AHL) |
| | G | Sent to minors (Ontario-AHL) |
| | LW | Sent to minors (Ontario-AHL) |
| | D | Sent to minors (Ontario-AHL) |
| | G | Sent to minors (Ontario-AHL) |
| | LW | Sent to minors (Ontario-AHL) |
| | C | Sent to minors (Ontario-AHL) |
| | C | Sent to minors (Ontario-AHL) |
| | D | Sent to minors (Ontario-AHL) |
| | D | Waived (Signed) |
| | LW | Waived (Signed) |
| | LW | Signed as Free Agent (One-year contract) |
| | C | Assigned to National Team (Canada-WJC) |
| | C | Signed (Three-year, entry-level contract) |
| | D | Contract extended (One-year, two-way contract extension) |
| | G | Signed as Free Agent (One-year, two-way contract) |
| | D | Signed as Free Agent (One-year, two-way contract) |
| | G | Became Unrestricted Free Agent (Signed) |
| | RW | Became Unrestricted Free Agent (Signed) |
| | RW | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | D | Became Unrestricted Free Agent (Signed) |
| | D | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | D | Became Unrestricted Free Agent (Signed) |
| | LW | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | G | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | D | Became Unrestricted Free Agent (Signed) |
| | C | Traded (for '20 2nd-rd pick) From |
| | RW | Contract extended (One-year contract extension) |
| | C | Contract extended (One-year, two-way contract etension) |
| | C | Traded (for Olli Maatta) To |
| | D | Traded (for Brad Morrison) From |
| | G | Assigned to European Team (Eisbaren Berlin-Germany) |
| | C | Assigned to European Team (Eisbaren Berlin-Germany) |
| | C | Assigned to European Team (Eisbaren Berlin-Germany) |
| | C | Assigned to European Team (Eisbaren Berlin-Germany) |
| | C | Assigned to European Team (Eisbaren Berlin-Germany) |
| | D | Contract extended (Four-year contract extension) |
| | D | Assigned to European Team (SaiPa-Finland) |
| | LW | Assigned to European Team (IF Bjorkloven-Sweden) |
| | D | Assigned to European Team (SaiPa-Finland) |
| | RW | Contract extended (Three-year contract extension) |
| | LW | Contract extended (Two-year contract extension) |
| | LW | Assigned to European Team (Sodertalje SK-Sweden) |
| | D | Assigned to European Team (Djurgardens IF-Sweden) |
| | LW | Signed with European team (Metallurg Magnitogorsk-KHL) |
| | LW | Signed as Free Agent (Minors contract - Ontario-AHL) |