Dube is slated to miss Saturday's game against the Blue Jackets due to a neck injury, Lou Korac of NHL.com reports.
McMichael scored a goal on two shots in Thursday's 3-2 overtime loss to the Sharks.
Dube scored a shorthanded goal in Thursday's 3-2 overtime loss to the Sharks.
Hofer stopped 24 of 27 shots in Thursday's 3-2 overtime loss to the Sharks.
O'Connor (lower body) will not play Thursday in Calgary following the sudden passing of his father, Myles.
Wedgewood will protect the road goal versus the Flames on Thursday.
Blackwood is set to start on the road against Winnipeg on Wednesday, per Conor McGahey of Altitude TV.
O'Connor (lower body) won't play Wednesday in Winnipeg, but he might be an option Thursday in Calgary, per Evan Rawal of the Denver Gazette.
L'Heureux (lower body) is slated to make his season debut Wednesday against Winnipeg, Aarif Deen of Colorado Hockey Now reports.
Hofer allowed two goals on 19 shots in Tuesday's 4-2 loss to the Blackhawks. The last two Chicago goals were empty-netters.
