| | RW | Designated for assignment (Taxi squad) |
| | RW | Designated for assignment (Taxi squad) |
| | RW | Called up from minors (from taxi squad) |
| | RW | Called up from minors (from taxi squad) |
| | G | Waived (Signed) |
| | LW | Assigned to Junior Club (Spokane-WHL) |
| | D | Sent to minors (Iowa-AHL) |
| | D | Designated for assignment (Taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | G | Sent to minors (Iowa-AHL) |
| | G | Called up from minors (from taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | RW | Designated for assignment (Taxi squad) |
| | C | Sent to minors (Iowa-AHL) |
| | G | Called up from minors (from taxi squad) |
| | C | Sent to minors (Iowa-AHL) |
| | D | Sent to minors (Iowa-AHL) |
| | D | Called up from minors (from taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | C | Designated for assignment (Taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | RW | Called up from minors (from taxi squad) |
| | D | Called up from minors (from taxi squad) |
| | D | Called up from minors (from taxi squad) |
| | C | Designated for assignment (Taxi squad) |
| | C | Designated for assignment (Taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | C | Called up from minors (from taxi squad) |
| | D | Called up from minors (from taxi squad) |
| | G | Called up from minors (from taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | D | Called up from minors (from taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | RW | Designated for assignment (Taxi squad) |
| | C | Designated for assignment (Taxi squad) |
| | C | Sent to minors (Iowa-AHL) |
| | RW | Sent to minors (Iowa-AHL) |
| | RW | Designated for assignment (Taxi squad) |
| | RW | Suspension Over (Signed) |
| | C | Designated for assignment (Taxi squad) |
| | RW | Designated for assignment (Taxi squad) |
| | RW | Called up from minors (from taxi squad) |
| | RW | Called up from minors (from taxi squad) |
| | C | Called up from minors (from taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | RW | Designated for assignment (Taxi squad) |
| | D | Sent to minors (Iowa-AHL) |
| | G | Sent to minors (Iowa-AHL) |
| | RW | Suspended (Three games by NHL for boarding) |
| | G | Called up from minors (from taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | G | Sent to minors (Iowa-AHL) |
| | G | Designated for assignment (Taxi squad) |
| | G | Called up from minors (from taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | G | Sent to minors (Iowa-AHL) |
| | G | Designated for assignment (Taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | G | Called up from minors (from taxi squad) |
| | D | Traded (for Ian Cole) To |
| | D | Traded (for Greg Pateryn) From |
| | RW | Designated for assignment (Taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | C | Designated for assignment (Taxi squad) |
| | G | Designated for assignment (Taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | D | Designated for assignment (Taxi squad) |
| | RW | Contract extended (Three-year contract extension) |
| | G | Sent to minors (Iowa-AHL) |
| | G | Sent to minors (Iowa-AHL) |
| | D | Sent to minors (Iowa-AHL) |
| | D | Sent to minors (Iowa-AHL) |
| | C | Sent to minors (Iowa-AHL) |
| | C | Sent to minors (Iowa-AHL) |
| | RW | Sent to minors (Iowa-AHL) |
| | C | Sent to minors (Iowa-AHL) |
| | C | Sent to minors (Iowa-AHL) |
| | RW | Sent to minors (Iowa-AHL) |
| | RW | Waived (Signed) |
| | D | Waived (Signed) |
| | D | Waived (Signed) |
| | RW | Waived (Signed) |
| | D | Waived (Signed) |
| | D | Waived (Signed) |
| | C | Waived (Signed) |
| | C | Waived (Signed) |
| | G | Waived (Signed) |
| | C | Waived (Signed) |
| | G | Signed as Free Agent (One-year, two-way contract) |
| | C | Assigned to European Team (ZSC Lions-Switzerland) |
| | C | Signed (Three-year, entry-level contract) |
| | D | Re-Signed (One-year, two-way contract) |
| | D | Signed as Free Agent (One-year, two-way contract) |
| | G | Re-Signed (Two-year contract) |
| | LW | Re-Signed (Two-year contract) |
| | D | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | G | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | D | Became Unrestricted Free Agent (Not tendered a qualifying offer) |
| | D | Signed as Free Agent (One-year, two-way contract) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | C | Signed as Free Agent (One-year, two-way contract) |
| | C | Became Unrestricted Free Agent (Signed) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | G | Signed as Free Agent (Three-year contract) |
| | RW | Became Unrestricted Free Agent (Signed) |
| | LW | Became Unrestricted Free Agent (Signed) |
| | C | Became Unrestricted Free Agent (Signed) |
| | D | Contract extended (One-year, two-way contract extension) |
| | RW | Contract extended (One-year, two-way contract extension) |
| | C | Traded (w/ two '20 picks for Kunin, '20 pick) From |
| | RW | Traded (w/ '20 pick for Bonino, two '20 picks) To |
| | G | Traded (w/ '22 7th-rd pick for '22 5th-rd pick) To |
| | D | Contract extended (Three-year contract extension) |
| | C | Traded (for '21 3rd-rd pick) To |
| | LW | Contract extended (Two-year contract extension) |
| | LW | Traded (for Eric Staal) From |
| | C | Traded (for Marcus Johansson) To |
| | D | Contract extended (Seven-year contract extension) |
| | C | Traded (for 2021 pick) From |
| | D | Assigned to European Team (Dinamo Minsk-KHL) |
