St. Louis Blues' Vladimir Tarasenko, left, tries to slips past Philadelphia Flyers' Robert Hagg during the first period of an NHL hockey game, Monday, Jan. 7, 2019, in Philadelphia. (AP Photo/Matt Slocum)

Philadelphia Flyers' James van Riemsdyk, center, is shoved into an official by St. Louis Blues' Robert Bortuzzo, right, during the first period of an NHL hockey game, Monday, Jan. 7, 2019, in Philadelphia. (AP Photo/Matt Slocum)

St. Louis Blues' Brayden Schenn, right, checks Philadelphia Flyers' Christian Folin into the boards during the first period of an NHL hockey game, Monday, Jan. 7, 2019, in Philadelphia. (AP Photo/Matt Slocum)

Philadelphia Flyers' Radko Gudas (3) tries to keep the puck away from St. Louis Blues' Zach Sanford (12) during the first period of an NHL hockey game, Monday, Jan. 7, 2019, in Philadelphia. (AP Photo/Matt Slocum)