Transactions
| Date | Player | Pos | Transactions |
| 11/26 | Brett Murray | LW | Called up from minors from Rochester-AHL |
| 11/24 | Drake Caggiula | LW | Placed on IR Upper-body injury |
| 11/17 | Brett Murray | LW | Sent to minors Rochester-AHL |
| 11/15 | Brett Murray | LW | Called up from minors from Rochester-AHL |
| 11/6 | Aaron Dell | G | Called up from minors from Rochester-AHL |
| 11/6 | Brett Murray | LW | Sent to minors Rochester-AHL |
| 11/6 | Craig Anderson | G | Placed on IR Upper-body injury |
| 11/4 | Peyton Krebs | C | Sent to minors Rochester-AHL |
| 11/4 | Johnny Boychuk | D | Traded for future considerations |
| 11/4 | Alex Tuch | LW | Traded w/ Krebs, 1st, 2nd for Eichel, 3rd |
| 11/4 | Peyton Krebs | C | Traded w/ Tuch, 1st, 2nd for Eichel, 3rd |
| 11/3 | Mattias Samuelsson | D | Sent to minors Rochester-AHL |
| 11/2 | Victor Olofsson | RW | Placed on IR Undisclosed injury |
| 10/23 | Brett Murray | LW | Called up from minors from Rochester-AHL |
| 10/16 | Christian Wolanin | D | Claimed off waivers |
| 10/15 | Henri Jokiharju | D | Placed on IR Lower-body injury |
| 10/14 | Casey Mittelstadt | C | Placed on IR Upper-body injury - left game |
| 10/11 | Casey Fitzgerald | D | Called up from minors from Rochester-AHL |
| 10/11 | Casey Fitzgerald | D | Sent to minors Rochester-AHL |
| 10/11 | JJ Peterka | RW | Sent to minors Rochester-AHL |
| 10/11 | Andrew Oglevie | C | Placed on IR Undisclosed injury |
| 10/11 | Lukas Rousek | RW | Placed on IR Undisclosed injury |
| 10/11 | Mattias Samuelsson | D | Placed on IR Lower-body injury |
| 10/10 | Brandon Biro | LW | Sent to minors Rochester-AHL |
| 10/10 | Casey Fitzgerald | D | Sent to minors Rochester-AHL |
| 10/10 | Axel Jonsson-Fjallby | LW | Waived |
| 10/9 | Brandon Davidson | D | Sent to minors Rochester-AHL |
| 10/8 | Brandon Davidson | D | Waived |
| 10/7 | Jimmy Schuldt | D | Sent to minors Rochester-AHL |
| 10/7 | Brett Murray | LW | Sent to minors Rochester-AHL |
| 10/7 | Jack Quinn | RW | Sent to minors Rochester-AHL |
| 10/7 | Aaron Dell | G | Sent to minors Rochester-AHL |
| 10/6 | Ethan Prow | D | Sent to minors Rochester-AHL |
| 10/6 | Sean Malone | C | Sent to minors Rochester-AHL |
| 10/6 | Ryan MacInnis | RW | Sent to minors Rochester-AHL |
| 10/6 | Aaron Dell | G | Waived |
| 10/6 | Jimmy Schuldt | D | Waived |
| 10/5 | Oskari Laaksonen | D | Sent to minors Rochester-AHL |
| 10/5 | Matej Pekar | C | Sent to minors Rochester-AHL |
| 10/5 | Linus Weissbach | LW | Sent to minors Rochester-AHL |
| 10/5 | Ukko-Pekka Luukkonen | G | Sent to minors Rochester-AHL |
| 10/5 | Ryan MacInnis | RW | Waived |
| 10/5 | Ethan Prow | D | Waived |
| 10/5 | Sean Malone | C | Waived |
| 10/4 | Axel Jonsson-Fjallby | LW | Claimed off waivers |
| 10/2 | Dominic Franco | RW | Released |
| 10/2 | Mason Jobst | C | Released |
| 10/2 | Michael Mersch | LW | Released |
| 10/2 | Ryan Scarfo | LW | Released |
| 10/2 | Brendan Warren | LW | Released |
| 10/2 | Mat Robson | G | Released |
| 10/2 | Matthew Cairns | D | Released |
| 10/2 | Mitch Eliot | D | Released |
| 10/2 | Josh Teves | D | Released |
| 10/2 | Peter Tischke | D | Released |
| 10/2 | Michael Houser | G | Released |
| 10/2 | Nick Boka | D | Released |
| 9/30 | Tyson Kozak | C | Assigned to Junior Club Portland-WHL |
| 9/27 | Viljami Marjala | LW | Assigned to Junior Club Quebec-QMJHL |
| 9/27 | Josh Bloom | LW | Assigned to Junior Club Saginaw-OHL |
| 9/27 | Olivier Nadeau | RW | Assigned to Junior Club Shawinigan-QMJHL |
| 9/22 | Rasmus Dahlin | D | Re-Signed Three-year contract |
| 9/21 | Michael Houser | G | Invited to Training Camp |
| 9/21 | Mat Robson | G | Invited to Training Camp |
| 9/21 | Peter Tischke | D | Invited to Training Camp |
| 9/21 | Josh Teves | D | Invited to Training Camp |
| 9/21 | Mitch Eliot | D | Invited to Training Camp |
| 9/21 | Matthew Cairns | D | Invited to Training Camp |
| 9/21 | Nick Boka | D | Invited to Training Camp |
| 9/21 | Brendan Warren | LW | Invited to Training Camp |
| 9/21 | Ryan Scarfo | LW | Invited to Training Camp |
| 9/21 | Michael Mersch | LW | Invited to Training Camp |
| 9/21 | Dominic Franco | RW | Invited to Training Camp |
| 9/21 | Mason Jobst | C | Invited to Training Camp |
| 9/21 | Jack Eichel | C | Placed on IR Neck |
| 9/2 | Casey Mittelstadt | C | Re-Signed Three-year contract |
| 9/2 | Henri Jokiharju | D | Re-Signed Three-year contract |
| 8/13 | Casey Fitzgerald | D | Re-Signed Two-year contract |
| 7/30 | Rasmus Asplund | RW | Re-Signed Two-year contract |
| 7/30 | Ryan MacInnis | RW | Signed as Free Agent One-year contract |
| 7/29 | John Hayden | LW | Signed as Free Agent One-year contract |
| 7/29 | Ethan Prow | D | Signed as Free Agent One-year contract |
| 7/28 | Tobias Rieder | LW | Became Unrestricted Free Agent |
| 7/28 | Casey Nelson | D | Became Unrestricted Free Agent |
| 7/28 | Jake McCabe | D | Became Unrestricted Free Agent |
| 7/28 | Matt Irwin | D | Became Unrestricted Free Agent |
| 7/28 | Carter Hutton | G | Became Unrestricted Free Agent |
| 7/28 | Michael Houser | G | Became Unrestricted Free Agent |
| 7/28 | Steven Fogarty | RW | Became Unrestricted Free Agent |
| 7/28 | Jean-Sebastien Dea | C | Became Unrestricted Free Agent |
| 7/28 | Brandon Davidson | D | Became Unrestricted Free Agent |
| 7/28 | Riley Sheahan | RW | Became Unrestricted Free Agent |
| 7/28 | Linus Ullmark | G | Became Unrestricted Free Agent |
| 7/28 | C.J. Smith | LW | Became Unrestricted Free Agent |
| 7/28 | Stefanos Lekkas | G | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/28 | Dawson DiPietro | LW | Became Unrestricted Free Agent Not tendered a qualifying offer |
| 7/28 | Craig Anderson | G | Signed as Free Agent One-year contract |
| 7/28 | Aaron Dell | G | Signed as Free Agent One-year contract |
| 7/28 | Jimmy Schuldt | D | Signed as Free Agent One-year contract |
| 7/28 | Sean Malone | C | Signed as Free Agent One-year contract |
| 7/28 | Brandon Davidson | D | Signed as Free Agent One-year contract |
| 7/28 | Vinnie Hinostroza | RW | Signed as Free Agent One-year contract |
| 7/28 | Mark Pysyk | RW | Signed as Free Agent One-year contrac |
| 7/28 | Will Butcher | D | Traded w/ '22 5th-rd pick for future cons. |
| 7/27 | Drake Caggiula | LW | Contract extended One-year contract extension |
| 7/24 | Devon Levi | G | Traded w/ '22 1st-rd pick for Sam Reinhart |
| 7/23 | Robert Hagg | D | Traded w/ 1st, 3rd-rd picks for Ristolainen |
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