Kerfoot (upper body) is out of the lineup Saturday against Dallas.
Kerfoot will miss Friday's game versus the Blues with an upper-body injury, Louie Korac of NHL.com reports.
Landeskog scored two goals and two assists in Tuesday's loss to the Oilers.
Varlamov will start Tuesday's game against the Oilers, Jack Michaels of the Oilers Radio Network reports.
Kerfoot is considered day-to-day with an undisclosed injury, Rick Sadowski of Hockeybuzz.com reports.
Greer was recalled from AHL Colorado on Monday.
Kamenev will require shoulder surgery, Rick Sadowski of NHL.com reports.
Varlamov has drawn the road start versus the Lightning on Saturday, Adrian Dater of BSN Denver reports.
Landeskog scored a goal and added an assist in Thursday's 5-2 victory over the Panthers.
Rantanen stretched his point streak to 10 games Thursday with a goal in a 5-2 win over the Panthers.
Varlamov allowed six goals on 32 shots in a 6-3 loss to the Penguins on Tuesday.
Varlamov will tend the twine Tuesday against the Penguins in Pittsburgh, Ryan S. Clark of The Athletic reports.
Barrie (undisclosed) will return to action Tuesday evening against host Pittsburgh.
Barrie (undisclosed) is expected to play against the Penguins on Tuesday if everything goes smoothly at Monday's practice.
Barrie (undisclosed) won't play in Sunday's game versus the Red Wings, Ryan S. Clark of The Athletic reports.
The Avalanche placed Barberio (upper body) on injured reserve Friday, per the NHL's official media site.
Barberio (upper body) won't play Friday against the Blues, NHL.com's Rick Sadowski reports.
Barrie (undisclosed) won't play Friday against St. Louis, NHL.com's Rick Sadowski reports.
Varlamov will start between the pipes in Friday's home game against the Blues, Ryan S. Clark of The Athletic reports.
Alt was recalled from AHL Colorado on Thursday.
Barrie (undisclosed) will sit out a second straight game Wednesday, with his Avalanche team facing the Penguins at home, Adrian Dater of BSN Denver reports.
Grubauer will get the starting nod at home versus the Penguins on Wednesday, Adrian Dater of BSN Denver reports.
Varlamov will guard the goal in Tuesday's road game against the Predators.
Barrie will miss Tuesday's matchup with Nashville due to an undisclosed issue, Marc Moser of Altitude Sports 950 reports.
Varlamov will defend the home net versus the Stars on Saturday, Adrian Dater of BSN Denver reports.