Anderson, 19, has played the last four seasons in the Western Hockey League, totaling 35 points (9g, 26a) in 206 career games with the Prince George Cougars and the Swift Current Broncos. The 6-foot-2, 225-pound blueliner notched seven points (1g, 6a) in 25 games with Prince George in 2017-18 before being traded to Swift Current, where he registered seven points (2g, 5a) and a +8 plus-minus rating in 29 contests.
Anderson has one point (0g, 1a) through the first four games of Swift Current's first-round WHL playoff series against the Regina Pats.
The Nanaimo, British Columbia, native was drafted by the Avalanche in the third round (71st overall) in the 2016 NHL Draft.