TSN's James Duthie reported that Sharp has a separated shoulder, posting on his official Twitter account that Sharp has "a fairly severe AC joint shoulder separation."
In 24 games this season, Sharp has five goals and 18 points.
The Blackhawks meet the Avalanche again Friday at Pepsi Center (9 p.m. ET, NHLN-US), trying to extend their point streak to 25 games to start this season, and 31 stretching to the end of the 2011-12 regular season.
It was kind of touching. I didn't know really what to expect. I'm very appreciative and thankful for the people that supported me in my time here ... as I said, we'll move back to the area at some point in our life.
— Toronto coach Randy Carlyle on the video tribute and ovation he received in his first game back in Anaheim, a 3-1 win for the Maple Leafs