Colorado Avalanche center Nathan MacKinnon has been ruled out of action for two-to-four weeks after further evaluation, the team announced Thursday.

Fresh off an All-Star appearance, MacKinnon suffered an apparent arm or shoulder injury during Tuesday's game against Vancouver.

MacKinnon has been playing some of the best hockey of his young career, rising to second in league scoring with 24 goals and 37 assists in 50 games, three points behind Tampa Bay's Nikita Kucherov. As such, he was seen as a viable Hart Trophy candidate, with the Avs surprisingly right in the thick of the playoff race.

Based on this time frame, MacKinnon could miss anywhere from seven to 14 games.

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