| Last updated: Mon, April 8, 2013, 17:56 EDT |
| Date | Player | Pos. | Transaction |
| 4/4 | Joe Colborne | C | Called up from minors, from Toronto-AHL |
| 4/3 | Ryan O'Byrne | D | Traded, for 2014 fourth-round draft pick |
| 4/3 | Andrew MacWilliam | D | Signed, Two-year contract |
| 4/2 | Drew MacIntyre | G | Signed as Free Agent, One-year contract |
| 3/28 | Jesse Blacker | D | Sent to minors, Toronto-AHL |
| 3/25 | Jesse Blacker | D | Called up from minors, from Toronto-AHL |
| 3/24 | Joffrey Lupul | LW | Suspension Over |
| 3/23 | Leo Komarov | C | Placed on IR, Upper-body injury |
| 3/21 | Mike Komisarek | D | Sent to minors, Toronto-AHL |
| 3/21 | Joffrey Lupul | LW | Suspended, Two games by NHL for illegal hit to head |
| 3/21 | Ryan Hamilton | LW | Called up from minors, from Toronto-AHL |
| 3/20 | Jake Gardiner | D | Called up from minors, from Toronto-AHL |
| 3/19 | Korbinian Holzer | D | Sent to minors, Toronto-AHL |
| 3/19 | Tom Nilsson | D | Signed, Three-year contract |
| 3/19 | Garret Sparks | G | Signed, Three-year contract |
| 3/15 | Ryan Lasch | RW | Traded, with 2014 7th-rd pick for David Steckel |
| 3/14 | Kevin Marshall | D | Sent to minors, Toronto-AHL |
| 3/14 | Kevin Marshall | D | Traded, for Nicolas Deschamps |
| 3/5 | Korbinian Holzer | D | Contract extended, Two-year contract extension |
| 3/4 | Josh Leivo | LW | Signed, Three-year contract |
| 2/27 | Jussi Rynnas | G | Sent to minors, Toronto-AHL |
| 2/13 | Jussi Rynnas | G | Called up from minors, from Toronto-AHL |
| 2/13 | Matt Frattin | RW | Placed on IR, Knee |
| 2/12 | James Reimer | G | Placed on IR, Mildly strained left MCL |
| 2/3 | Ryan Hamilton | LW | Sent to minors, Toronto-AHL |
| 2/3 | Korbinian Holzer | D | Called up from minors, from Toronto-AHL |
| 1/31 | Frazer McLaren | LW | Claimed off waivers |
| 1/31 | Ryan Hamilton | LW | Called up from minors, from Toronto-AHL |
| 1/30 | Jake Gardiner | D | Sent to minors, Toronto-AHL |
| 1/30 | Mike Brown | RW | Placed on IR, Shoulder |
| 1/27 | Jake Gardiner | D | Called up from minors, from Toronto-AHL |
| 1/25 | Jake Gardiner | D | Sent to minors, Toronto-AHL |
| 1/24 | Joffrey Lupul | LW | Placed on IR, Fractured forearm |
| 1/24 | Matt Frattin | RW | Called up from minors, from Toronto-AHL |
| 1/20 | Joffrey Lupul | LW | Contract extended, Five-year contract extension |
| 1/18 | Ryan Hamilton | LW | Sent to minors, Toronto-AHL |
| 1/18 | Morgan Rielly | D | Assigned to Junior Club, Moose Jaw-WHL |
| 1/18 | Jake Gardiner | D | Placed on IR, Concussion-like symptoms |
| 1/18 | Mike Mottau | D | Sent to minors, Toronto-AHL |
| 1/18 | Tim Connolly | C | Sent to minors, Toronto-AHL |
| 1/18 | Matt Frattin | RW | Sent to minors, Toronto-AHL |
| 1/17 | Tim Connolly | C | Waived, Placed on waivers |
| 1/16 | Mike Mottau | D | Waived, Placed on waivers |
| 1/16 | Ryan Hamilton | LW | Waived, Placed on waivers |
| 1/15 | Cody Franson | D | Re-Signed, One-year contract |
| 1/13 | Keith Aucoin | C | Called up from minors, from Toronto-AHL |
| 1/13 | Ben Scrivens | G | Called up from minors, from Toronto-AHL |
| 1/13 | Matt Frattin | RW | Called up from minors, from Toronto-AHL |
| 1/13 | Nazem Kadri | C | Called up from minors, from Toronto-AHL |
| 1/13 | Morgan Rielly | D | Called up from minors, from Moose Jaw-WHL |
| 1/13 | Mark Fraser | D | Called up from minors, from Toronto-AHL |
| 1/13 | Leo Komarov | C | Called up from minors, from Toronto-AHL |
| 1/13 | Ryan Hamilton | LW | Called up from minors, from Toronto-AHL |
| 1/13 | Jake Gardiner | D | Called up from minors, from Toronto-AHL |
| 1/13 | Mike Mottau | D | Signed as Free Agent |
| 1/13 | Mike Kostka | D | Called up from minors, from Toronto-AHL |
| 1/13 | Korbinian Holzer | D | Called up from minors, from Toronto-AHL |
| 11/15 | Leo Komarov | C | Signed with European team, Dynamo Moscow-KHL |
| 11/12 | Carl Gunnarsson | D | LOCKOUT: Signed with European Team, Orebro-Allsvenskan (Sweden) |
| 10/30 | Joffrey Lupul | LW | LOCKOUT: Signed with European Team, Avtomobilist-KHL |
| More Transactions |
