Shattenkirk is dealing with a lower-body injury and is expected to miss Thursday's game against the Colorado Avalanche as a result, Alyson Lozoff of Bally Sports West.
Landeskog returned to skating for the first time as he recovers from knee surgery and is expected to return in January according to Brennan Vogt of Colorado Hockey Now.
Chris Driedger tore his right ACL during the third period of Team Canada's Gold Medal match against Finland during the IIHF World Championships. He has undergone surgery to repair the torn ACL, and he is expected to be sidelined for 7-9 months.