Transactions
| Date | Player | Pos | Transactions |
| 1/26 | Matt Luff | RW | Called up from minors from Ontario-AHL |
| 1/26 | Blake Lizotte | C | Called up from minors from Ontario-AHL |
| 1/23 | Blake Lizotte | C | Sent to minors Ontario-AHL |
| 1/19 | Matt Luff | RW | Sent to minors Ontario-AHL |
| 1/19 | Jaret Anderson-Dolan | C | Sent to minors Ontario-AHL |
| 1/9 | Jaret Anderson-Dolan | C | Called up from minors from Ontario-AHL |
| 1/7 | Kale Clague | D | Sent to minors Ontario-AHL |
| 1/7 | Kurtis MacDermid | D | Suspension Over |
| 1/6 | Martin Frk | RW | Sent to minors Ontario-AHL |
| 1/4 | Derek Forbort | D | Called up from minors from Ontario-AHL |
| 1/3 | Kurtis MacDermid | D | Suspended Two games by NHL for illegal check |
| 12/28 | Derek Forbort | D | Sent to minors Ontario-AHL for conditioning stint |
| 12/28 | Joakim Ryan | D | Placed on IR Undisclosed injury |
| 12/27 | Martin Frk | RW | Called up from minors from Ontario-AHL |
| 12/27 | Kale Clague | D | Called up from minors from Ontario-AHL |
| 12/27 | Aidan Dudas | C | Signed Three-year, entry-level contract |
| 12/27 | Trevor Lewis | RW | Placed on IR Upper-body injury |
| 12/24 | Kale Clague | D | Sent to minors Ontario-AHL |
| 12/24 | Martin Frk | RW | Sent to minors Ontario-AHL |
| 12/23 | Martin Frk | RW | Called up from minors from Ontario-AHL |
| 12/17 | Blaine Byron | C | Signed as Free Agent Minors contract - Ontario-AHL |
| 12/16 | Kale Clague | D | Called up from minors from Ontario-AHL |
| 12/16 | Paul LaDue | D | Sent to minors Ontario-AHL |
| 12/16 | Ilya Kovalchuk | LW | Waived For purpose of being released |
| 12/7 | Derek Forbort | D | Called up from minors from Ontario-AHL |
| 11/27 | Matt Luff | RW | Called up from minors from Ontario-AHL |
| 11/27 | Paul LaDue | D | Called up from minors from Ontario-AHL |
| 11/27 | Carl Grundstrom | LW | Sent to minors Ontario-AHL |
| 11/27 | Derek Forbort | D | Sent to minors Ontario-AHL for conditioning stint |
| 11/27 | Alec Martinez | D | Placed on IR Right wrist laceration - left game |
| 11/22 | Matt Luff | RW | Sent to minors Ontario-AHL |
| 11/20 | Mario Kempe | C | Signed with European team Avangard Omsk-KHL |
| 11/19 | Mario Kempe | C | Waived For purpose of being released |
| 11/12 | Matt Luff | RW | Called up from minors from Ontario-AHL |
| 11/7 | Trevor Lewis | RW | Placed on IR Lower-body injury - left game |
| 10/29 | Carl Grundstrom | LW | Called up from minors from Ontario-AHL |
| 10/18 | Nikolai Prokhorkin | LW | Called up from minors from Ontario-AHL |
| 10/18 | Tobias Bjornfot | D | Sent to minors Ontario-AHL |
| 10/18 | Carl Grundstrom | LW | Sent to minors Ontario-AHL |
| 10/1 | Gabriel Vilardi | C | Placed on IR Back |
| 9/30 | Mario Kempe | C | Sent to minors Ontario-AHL |
| 9/30 | Paul LaDue | D | Sent to minors Ontario-AHL |
| 9/29 | Mario Kempe | C | Waived |
| 9/29 | Paul LaDue | D | Waived |
| 9/29 | Derek Forbort | D | Placed on IR Back |
| 9/28 | Nikolai Prokhorkin | LW | Sent to minors Ontario-AHL |
| 9/27 | Rasmus Kupari | C | Sent to minors Ontario-AHL |
| 9/27 | Jaret Anderson-Dolan | C | Sent to minors Ontario-AHL |
| 9/24 | Mikey Anderson | D | Sent to minors Ontario-AHL |
| 9/24 | Martin Frk | RW | Sent to minors Ontario-AHL |
| 9/24 | Calvin Petersen | G | Sent to minors Ontario-AHL |
| 9/23 | Martin Frk | RW | Waived |
| 9/22 | Lance Bouma | LW | Sent to minors Ontario-AHL |
| 9/22 | Max Gottlieb | D | Sent to minors Ontario-AHL |
| 9/22 | Ryan Stanton | D | Sent to minors Ontario-AHL |
| 9/22 | Johan Sodergran | RW | Sent to minors Ontario-AHL |
| 9/22 | Austin Strand | D | Sent to minors Ontario-AHL |
| 9/22 | Matt Villalta | G | Sent to minors Ontario-AHL |
| 9/22 | Drake Rymsha | C | Sent to minors Ontario-AHL |
| 9/22 | Brett Sutter | LW | Sent to minors Ontario-AHL |
| 9/22 | Mason Bergh | LW | Sent to minors Ontario-AHL |
| 9/22 | Sheldon Rempal | RW | Sent to minors Ontario-AHL |
| 9/22 | Daniel Brickley | D | Sent to minors Ontario-AHL |
| 9/22 | Kale Clague | D | Sent to minors Ontario-AHL |
| 9/22 | Sean Durzi | D | Sent to minors Ontario-AHL |
| 9/22 | Mikey Eyssimont | C | Sent to minors Ontario-AHL |
| 9/22 | Bokondji Imama | LW | Sent to minors Ontario-AHL |
| 9/22 | Cole Kehler | G | Sent to minors Ontario-AHL |
| 9/22 | Matt Luff | RW | Sent to minors Ontario-AHL |
| 9/22 | Brad Morrison | C | Sent to minors Ontario-AHL |
| 9/22 | Markus Phillips | D | Sent to minors Ontario-AHL |
| 9/22 | Chaz Reddekopp | D | Sent to minors Ontario-AHL |
| 9/21 | Samuel Fagemo | LW | Assigned to European Team Frolunda HC-Sweden |
| 9/21 | Akil Thomas | C | Assigned to Junior Club Niagara-OHL |
| 9/18 | Jordan Spence | D | Assigned to Junior Club Moncton-QMJHL |
| 9/18 | Lukas Parik | G | Assigned to Junior Club Spokane-WHL |
| 9/18 | Arthur Kaliyev | RW | Assigned to Junior Club Hamilton-OHL |
| 9/18 | Jacob Ingham | G | Assigned to Junior Club Kitchener-OHL |
| 9/18 | Aidan Dudas | C | Assigned to Junior Club Owen Sound-OHL |
| 9/18 | Jonathan Yantsis | RW | Released |
| 9/18 | Billy Constantinou | D | Released |
| 9/18 | Ben Hutton | D | Signed as Free Agent One-year contract |
| 9/11 | Max Gottlieb | D | Invited to Training Camp |
| 9/11 | Mason Bergh | LW | Invited to Training Camp |
| 9/11 | Brett Sutter | LW | Invited to Training Camp |
| 9/11 | Ryan Stanton | D | Invited to Training Camp |
| 9/11 | Jonathan Yantsis | RW | Invited to Training Camp |
| 9/11 | Billy Constantinou | D | Invited to Training Camp |
| 9/7 | Jack Campbell | G | Contract extended Two-year contract extension |
| 9/4 | Adrian Kempe | C | Re-Signed Three-year contract |
| 9/3 | Lance Bouma | LW | Invited to Training Camp |
| 8/13 | Kevin Dallman | D | Retired |
| 7/29 | Ryan Stanton | D | Signed as Free Agent Minors contract - Ontario-AHL |
| 7/23 | Jacob Moverare | D | Assigned to European Team Frolunda HC-Sweden |
| 7/16 | Calvin Petersen | G | Re-Signed Three-year contract |
| 7/15 | Matt Roy | D | Re-Signed Two-year contract |
| 7/15 | Sheldon Rempal | RW | Re-Signed One-year contract |
| 7/15 | Daniel Brickley | D | Re-Signed Two-year contract |
| 7/15 | Michael Amadio | C | Re-Signed Two-year contract |
| 7/14 | Tobias Bjornfot | D | Signed Three-year, entry-level contract |
| 7/13 | Slava Voynov | D | Signed with European team Avangard Omsk-KHL |
| 7/11 | Samuel Fagemo | LW | Signed Three-year, entry-level contract |
| 7/10 | Alex Iafallo | LW | Re-Signed Two-year contract |
| 7/5 | Mario Kempe | C | Signed as Free Agent One-year contract |
| 7/5 | Sam Herr | LW | Signed with European team Nottingham Panthers-UK |
| 7/1 | Brendan Leipsic | LW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/1 | Zack Mitchell | RW | Became Unrestricted Free Agent |
| 7/1 | Matheson Iacopelli | RW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/1 | Pavel Jenys | C | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/1 | Peter Budaj | G | Became Unrestricted Free Agent |
| 7/1 | Alex Lintuniemi | D | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/1 | Nikita Scherbak | RW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/1 | Jonny Brodzinski | RW | Became Unrestricted Free Agent |
| 7/1 | Joakim Ryan | D | Signed as Free Agent |
| 7/1 | Martin Frk | RW | Signed as Free Agent |
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