Andersson, who will represent Sweden in the 4 Nations Face-Off, scored on a shot along the ice at 18:14 for the 4-2 final.
"I just thought the energy was a little low tonight," Calgary defenseman MacKenzie Weegar said. "Just another opportunity for us to make our mark in the standings and it just wasn't there. I thought we got to get back to committing to doing the hard work out there, the stuff nobody really likes to do but it's important ... grinding down low in the corners, backchecking hard, staying on top of checks.
"They've got some skill over there that took over as well, so we've got to find a way to stop that."
NOTES: MacKinnon, who will also play for Canada at the 4 Nations Face-Off, leads the NHL with 83 points and 63 assists. … Makar joins Paul Coffey (five), Denis Potvin (five), Ray Bourque (four), Bobby Orr (four), Steve Duchesne, Phil Housley and Reed Larson with three or more 20-goal seasons in their first six seasons. ... Makar is also the fourth active defenseman to register consecutive 20-goal seasons following Brent Burns (2015-16, 2016-17), Oliver Ekman-Larsson (2014-15, 2015-16) and Erik Karlsson (2013-14, 2014-15). ... Blackwood won his 13th game since joining the Avalanche on Dec. 14. Only Connor Hellebuyck with 15, has more over that span. ... Weegar has five assists in a four-game assist and point streak.