Tkachuk left Calgary's most recent contest late in the third period, and the ailment is being labeled an upper-body injury, according to Aaron Vickers of NHL.com. Chris Stewart will draw in as his replacement, marking his first game since Feb. 28.
While it's unclear how long Tkachuk may be unavailable, any time the sophomore misses is tough for the Flames, who currently sit two points out of the second wild-card spot in the West. In 68 games this season, Tkachuk has notched 24 goals and 25 assists while playing more than 17 minutes per night.
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