The NHL players union has launched a mental health program aimed at educating and helping players learn more about their own well-being and that of their teammates and families.

Miro Heiskanen scored the go-ahead goal late in the second period and the Dallas Stars beat Calgary 4-2 to force a Game 7 in their first-round Western Conference series.

Rasmus Andersson scored Calgary’s first power-play goal since early in the playoff opener, Jacob Markstrom had 34 saves and the Flames beat the Dallas Stars 4-1 in Game 4 to even their first-round series.

The NHL is in the most difficult position among the four major North American professional sports leagues on vaccinations because seven of its teams are based in Canada.