Buffalo Sabres phenom Rasmus Dahlin was forced to leave Monday's game against the Tampa Bay Lightning after Lightning blue-liner Erik Cernak elbowed him in the face.

After the contest, head coach Ralph Krueger said Dahlin suffered a concussion on the play, according to The Athletic's Joe Yerdon.

Cernak, who has never been suspended in his two-year career, was not penalized for the elbow.

Dahlin was the first overall pick of the 2018 NHL Draft and a Calder Trophy finalist in his rookie season. The 19-year-old defenseman entered Monday's action with 16 points in 23 games in his sophomore campaign.

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