| Senators was eliminated at round 2 of year 2014. |
| Senators fired Pat Conacher. |
| Senators fired Doug Sulliman. |
| Senators fired Craig Hartsburg. |
| Senators fired Cory Clouston. |
| Andrew Brunette was added to Senators. |
| TRADE : From Kings to Senators : Andrew Brunette (70). |
| TRADE : From Senators to Kings : Joey Crabb (65). |
| Pathrik Westerholm has been added to Senators. |
| Stefan Noesen has been added to Senators. |
| Miikka Salomaki has been added to Senators. |
| Tyler Kennedy was added to Senators. |
| Tyler Ennis was added to Senators. |
| Pascal Leclaire was added to Senators. |
| From Coyotes to Senators : Pascal Leclaire (77). |
| Senators didn't make playoff for year 2010. |
| Team Name Change : Binghamton changed name to Binghamton |
| Team Name Change : Binghamton changed name to Senators |
| From Maple Leafs to Senators : Y:2012-RND:5-TOR. |
| Jonathan Sigalet signed with Senators for $525-000 for 3 year(s). |
| TRADE : From Senators to Rangers : Colin Greening (65)- Steve Eminger (68). |
| Senators paid $550-000 to release Jared Gomes. |
| Hugh Jessiman signed with Senators for $525-000 for 3 year(s). |
| Anthony Luciani signed with Senators for $600-000 for 4 year(s). |
| Shane Owen signed with Senators for $725-000 for 3 year(s). |
| Senators hired Pat Conacher for $750-000 for 3 year(s). |
| Senators hired Dave Baseggio for $1-000-000 for 1 year(s). |
| From Penguins to Senators : Tyler Kennedy (66)- Tyler Ennis (65)- $2-000-000- Y:2011-RND:1-PIT. |
| Cameron Wind signed with Senators for $525-000 for 3 year(s). |
| Adrien LeMay signed with Senators for $525-000 for 4 year(s). |
| Senators hired Lindy Ruff for $1-500-000 for 2 year(s). |
| From Senators to Penguins : Erik Karlsson (68)- Y:2011-RND:1-OTT. |
| Scott Timmins signed with Senators for $800-000 for 2 year(s). |
| Cullen Eddy signed with Senators for $525-000 for 2 year(s). |
| Senators hired Doug Sulliman for $750-000 for 2 year(s). |
| Next Year Contract : Jason Missiaen signed with Senators for $715-000 for 1 year(s) with $0 in bonus. |
| From Senators to Coyotes : Y:2011-RND:4-OTT. |
| Joni Ortio signed with Senators for $525-000 for 1 year(s). |
| Sam Lofquist signed with Senators for $525-000 for 3 year(s). |
| Jared Gomes signed with Senators for $525-000 for 2 year(s) with $0 in bonus. |
| Next Year Contract : Mark Borowiecki signed with Senators for $1-100-000 for 3 year(s) with $0 in bonus. |
| Next Year Contract : Jim OBrien signed with Senators for $575-000 for 1 year(s) with $0 in bonus. |
| Jussi Rynnas signed with Senators for $600-000 for 3 year(s). |
| Next Year Contract : Derek Grant signed with Senators for $700-000 for 1 year(s) with $0 in bonus. |
| From Senators to Canucks : Y:2011-RND:3-OTT. |
| Senators hired Dave Baseggio for $1-000-000 for 2 year(s). |
| Next Year Contract : Carl Klingberg signed with Senators for $650-000 for 1 year(s) with $0 in bonus. |
| Ilari Filppula signed with Senators for $700-000 for 2 year(s). |
| Next Year Contract : Mitchell Heard signed with Senators for $650-000 for 1 year(s) with $0 in bonus. |
| TRADE : From Rangers to Senators : Tim Brent (65)- Trevor Daley (73). |
| Senators hired Craig Hartsburg for $500-000 for 1 year(s). |
| Senators hired Cory Clouston for $600-000 for 1 year(s). |
| Senators hired Craig Hartsburg for $500-000 for 1 year(s). |
| Tim Brent was added to Senators. |
| Trevor Daley was added to Senators. |
| TRADE : From Blackhawks to Senators : Matt Ellis (63). |
| TRADE : From Senators to Blackhawks : Matt Carkner (66). |
| Matt Ellis was added to Senators. |
| Senators GM Stats was been reset. |
| Senators fired Craig Hartsburg. |
| Senators fired Cory Clouston. |
| Geoff Waugh was released. |
| Jim McKenzie was released. |
| Cullen Eddy was added to Senators. |
| Sam Lofquist was added to Senators. |
| Shane Owen was added to Senators. |
| Adrien LeMay was added to Senators. |
| Hugh Jessiman was added to Senators. |
| Jonathan Sigalet was added to Senators. |
| Ilari Filppula was added to Senators. |
| Anthony Luciani was added to Senators. |
| Cameron Wind was added to Senators. |
| Scott Timmins was added to Senators. |
| Joni Ortio was added to Senators. |
| Jussi Rynnas was added to Senators. |
| Andy Chiodo has been deleted from Senators. |
| Craig Kowalski has been deleted from Senators. |
| Joel Lundqvist has been deleted from Senators. |
| Adam Henrich has been deleted from Senators. |
| Christoph Schubert has been deleted from Senators. |
| Dean Strong has been deleted from Senators. |
| Jonathan Paiement has been deleted from Senators. |
| Jordan Fox has been deleted from Senators. |
| Mika Pyorala has been deleted from Senators. |
| Reid Simpson has been deleted from Senators. |
| Ryan Murphy has been deleted from Senators. |
| Vesa Toskala has been deleted from Senators. |
| Carl Klingberg was added to Senators. |
| Anton Blomqvist was added to Senators. |
| Derek Grant was added to Senators. |
| Colin Greening was added to Senators. |
| Mark Borowiecki was added to Senators. |
| Patrick Wiercioch was added to Senators. |
| Sergei Gonchar was added to Senators. |
| From Canucks to Senators : Sergei Gonchar (78). |
| Senators was eliminated at round 1 of year 2014. |
| Senators was eliminated at round 1 of year 2010. |
| From Senators to Maple Leafs : Shane Hnidy (65). |
| New Record for Team Most Shots Blocked (21) in 1 Game for Senators! |
| New Record for Team Most Hits (42) in 1 Game for Senators! |
| New Record for Team Most Hits (37) in 1 Game for Senators! |
| Senators fired Benoit Allaire. |
| Senators hired Benoit Allaire for $0 for 1 year(s). |
| Jared Gomes was released. |
| Senators fired Bruce Cassidy. |
| Senators fired Dave Baseggio. |
| Jared Gomes was added to Senators. |
