| | D | Activated (The Toronto Maple Leafs activated D Morgan Rielly from injured reserve.) |
| | C | Placed on Injured Reserve (The Toronto Maple Leafs placed F Auston Matthews on injured reserve.) |
| | D | Activated (The Toronto Maple Leafs activated D T.J. Brodie from injured reserve.) |
| | G | Called up from minors (The Toronto Maple Leafs recalled G Joseph Woll.) |
| | C | Sent to minors (The Toronto Maple Leafs assigned F Bobby McMann to the minors.) |
| | RW | Called up from minors (The Toronto Maple Leafs recalled F Joey Anderson.) |
| | RW | Called up from minors (The Toronto Maple Leafs recalled F Pontus Holmberg.) |
| | LW | Waived (The Toronto Maple Leafs waived F Dryden Hunt.) |
| | RW | Sent to minors (The Toronto Maple Leafs assigned F Pontus Holmberg to the minors.) |
| | C | Called up from minors (The Toronto Maple Leafs recalled F Bobby McMann.) |
| | D | Placed on Injured Reserve (The Toronto Maple Leafs placed D T.J. Brodie on injured reserve.) |
| | D | Activated (The Toronto Maple Leafs activated D Rasmus Sandin from injured reserve.) |
| | RW | Sent to minors (The Toronto Maple Leafs assigned F Joey Anderson to the minors.) |
| | D | Activated (The Toronto Maple Leafs activated D Morgan Rielly from injured reserve.) |
| | D | Sent to minors (The Toronto Maple Leafs assigned D Mac Hollowell to the minors.) |
| | D | Called up from minors (The Toronto Maple Leafs recalled D Mac Hollowell from minors.) |
| | D | Sent to minors (The Toronto Maple Leafs sent D Mac Hollowell to the minors.) |
| | D | Placed on Injured Reserve (The Toronto Maple Leafs placed D Rasmus Sandin on injured reserve.) |
| | D | Activated (The Toronto Maple Leafs activated D Jordie Benn from injured reserve.) |
| | D | Called up from minors (The Toronto Maple Leafs recalled D Mac Hollowell.) |
| | C | Traded (The Toronto Maple Leafs traded F Denis Malgin to the Colorado Avalanche.) To |
| | LW | Traded (The Colorado Avalanche traded F Dryden Hunt to the Toronto Maple Leafs.) From |
| | D | Sent to minors (The Toronto Maple Leafs assigned D Mac Hollowell to the minors.) |
| | D | Called up from minors (The Toronto Maple Leafs recalled D Mac Hollowell from the minors.) |
| | D | Called up from minors (The Toronto Maple Leafs recalled D Mac Hollowell from the minors.) |
| | D | Sent to minors (The Toronto Maple Leafs assigned D Mac Hollowell.) |
| | LW | Placed on Injured Reserve (The Toronto Maple Leafs placed F Nicholsas Robertson on injured reserve.) |
| | LW | Suspension Over (F Pierre Engvall was reinstated from suspension.) |
| | RW | Called up from minors (The Toronto Maple Leafs recalled F Joey Anderson from the minors.) |
| | D | Placed on Injured Reserve (The Toronto Maple Leafs placed D Victor Mete on injured reserve.) |
| | LW | Suspended (The NHL suspended F Pierre Engvall for one game.) |
| | D | Activated (The Toronto Maple Leafs activated D T.J. Brodie from injured reserve.) |
| | C | Sent to minors (The Toronto Maple Leafs assigned F Semyon Der-Arguchintsev to the minors.) |
| | C | Called up from minors (from Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | G | Sent to minors (Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | RW | Called up from minors (from Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | C | Traded (for Conor Timmins) To |
| | D | Traded (for Curtis Douglas) From |
| | RW | Sent to minors (Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | RW | Waived (Signed) |
| | G | Sent to minors (Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | RW | Called up from minors (from Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | LW | Sent to minors (Toronto-AHL) |
| | RW | Sent to minors (Toronto-AHL) |
| | G | Sent to minors (Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | RW | Called up from minors (from Toronto-AHL) |
| | RW | Sent to minors (Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | G | Signed as Free Agent (One-year, entry-level contract) |
| | D | Called up from minors (from Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | RW | Waived (Signed) |
| | RW | Called up from minors (from Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | RW | Called up from minors (from Toronto-AHL) |
| | RW | Sent to minors (Toronto-AHL) |
| | C | Sent to minors (Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL for conditioning stint) |
| | D | Sent to minors (Toronto-AHL for conditioning stint) |
| | LW | Called up from minors (from Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | C | Assigned to Junior Club (Flint-OHL) |
| | D | Sent to minors (Toronto-AHL) |
| | RW | Called up from minors (from Toronto-AHL) |
| | LW | Called up from minors (from Toronto-AHL) |
| | D | Called up from minors (from Toronto-AHL) |
| | G | Called up from minors (from Toronto-AHL) |
| | C | Signed (Three-year, entry-level contract) |
| | LW | Sent to minors (Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | RW | Sent to minors (Toronto-AHL) |
| | LW | Sent to minors (Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | RW | Sent to minors (Toronto-AHL) |
| | RW | Sent to minors (Toronto-AHL) |
| | C | Assigned to Junior Club (Kamloops-WHL) |
| | LW | Waived (Signed) |
| | C | Signed as Free Agent (One-year contract) |
| | D | Sent to minors (Toronto-AHL) |
| | RW | Waived (Signed) |
| | RW | Sent to minors (Toronto-AHL) |
| | D | Waived (Signed) |
| | RW | Waived (Signed) |
| | LW | Sent to minors (Toronto-AHL) |
| | D | Sent to minors (Toronto-AHL) |
| | D | Released (Signed) |
| | G | Sent to minors (Toronto-AHL) |
| | C | Sent to minors (Toronto-AHL) |
| | D | Released (Signed) |
| | LW | Sent to minors (Toronto-AHL) |
| | RW | Waived (Signed) |
| | D | Released (Signed) |
| | D | Waived (Signed) |
| | LW | Released (Signed) |
| | C | Released (Signed) |
| | G | Released (Signed) |
| | C | Sent to minors (Toronto-AHL) |
| | C | Released (Signed) |
| | G | Released (Signed) |
| | G | Released (Signed) |
| | LW | Sent to minors (Toronto-AHL) |
| | C | Sent to minors (Toronto-AHL) |
| | RW | Sent to minors (Toronto-AHL) |
| | D | Re-Signed (Two-year contract) |
| | LW | Assigned to Junior Club (Sarnia-OHL) |
| | G | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | LW | Invited to Training Camp (Signed) |
| | C | Invited to Training Camp (Signed) |
| | C | Invited to Training Camp (Signed) |
| | D | Invited to Training Camp (Signed) |
| | G | Invited to Training Camp (Signed) |
| | G | Assigned to European Team (Farjestad BK-Sweden) |
| | C | Invited to Training Camp (Signed) |
| | D | Signed with European team (Vienna Capitals-Austria) |
| | C | Assigned to European Team (Sibir Novosibirsk-KHL) |
| | G | Invited to Training Camp (Signed) |
| | D | Signed with European team (TPS Turku-Finland) |
| | LW | Retired (Signed) |
| | G | Retired (Signed) |
| | LW | Re-Signed (One-year contract) |
| | C | Signed as Free Agent (Four-year contract) |
| | D | Signed as Free Agent (One-year contract) |
| | D | Signed as Free Agent (One-year contract) |
| | G | Became Unrestricted Free Agent (Signed) |
| | RW | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | D | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | C | Became Unrestricted Free Agent (Signed) |
| | RW | Signed as Free Agent (One-year contract) |
| | RW | Signed as Free Agent (One-year contract) |
| | G | Signed (Three-year, entry-level contract) |
| | RW | Became Unrestricted Free Agent (Signed) |
| | RW | Became Unrestricted Free Agent (Signed) |
| | D | Became Unrestricted Free Agent (Signed) |
| | C | Signed as Free Agent (One-year contract) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | D | Became Unrestricted Free Agent (Signed) |
| | G | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | G | Became Unrestricted Free Agent (Signed) |
| | D | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | G | Became Unrestricted Free Agent (Signed) |
| | G | Signed as Free Agent (One-year contract) |
| | D | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | G | Traded (w/ '23 3rd, '24 7th for future cons.) From |
| | RW | Signed with European team (Salavat Ufa-KHL) |
| | G | Traded (w/ '22 1st-rd pick for '22 2nd-rd pick) To |