Comment on Three story lines that will shape the 2017-18 NHL season

The Penguins made the biggest trade by acquiring Erik Karlsson while the Maple Leafs signed Auston Matthews to a record deal. How each team fared.       

Toronto Maple Leafs star Auston Matthews will average $13.25 million in the new deal, passing Nathan MacKinnon's $12.6 million cap hit.       

Rick Jeanneret, the Hall of Fame hockey broadcaster who called Buffalo Sabres games for over 50 years, has died at 81.       

Three-time Stanley Cup-winning captain Jonathan Toews said he will take time off this season, the third time he has sat out because of health issues.       

The Toronto Maple Leafs and Rodion Amirov's agent announced the death of the prospect who was selected in the first round in 2020.       

David Krejci played his whole career with the Bruins, ranking ninth in points. Boston has a big hole at center after Patrice Bergeron also retired.