| Fedor Svechkov was added to Blues. |
| William Stromgren was added to Blues. |
| Ryder Rolston was added to Blues. |
| Matthew Poitras was added to Blues. |
| Evan Nause was added to Blues. |
| Jacob Pivonka was added to Blues. |
| Ethan Del Mastro was added to Blues. |
| John Farinacci was added to Blues. |
| Ryan Ufko was added to Blues. |
| David Spacek was added to Blues. |
| Blues was eliminated at round 3 of year 23. |
| Thunderbirds didn't make playoff for year 23. |
| TRADE : From BlackHawks to Blues : Henrik Borgstrom (57)- Yanni Gourde (76). |
| TRADE : From Blues to BlackHawks : Alexey Toropchenko (66)- Y:24-RND:2-STL- Y:25-RND:6-STL. |
| TRADE : From BlackHawks to Blues : Henrik Borgstrom (57)- Yanni Gourde (76). |
| TRADE : From Blues to BlackHawks : Alexey Toropchenko (66)- Y:24-RND:2-STL- Y:25-RND:6-STL. |
| Cedric Pare was added to Blues. |
| Cedric Pare signed with Blues for 600 000 $ for 3 year(s). |
| Jack Johnson was added to Blues. |
| Jack Johnson signed with Blues for 1 750 000 $ for 1 year(s). |
