Philadelphia Flyers rookie forward Travis Konecny will miss 4-6 weeks with a lower-body injury.
Konecny, 19, missed the third period of a 2-0 home loss to the St. Louis Blues on Monday.
He has seven goals, 22 points and 105 shots on goal in 51 games. Konecny was selected in the first round (No. 24) of the 2015 NHL Draft.