Examining the toughness of hockey players, eight NHL players who returned to their former teams, the worst NHL GMs at the trade deadline ever and much more.

Rich Peverley's heart condition threatens his NHL career.

Rich Peverley’s heart condition threatens his NHL career.

BACKHAND SHELF: Jo Innes examines what happened to Rich Peverley’s heart and how it affects his future.

ARCTIC ICE HOCKEY: Examining “Hockey and the Mythology of Tough“, “Injuries and Perceived Heroism” and “Super Humans and the Ethos of Pain“.

GRANTLAND: Sean McIndoe lists eight players who “pulled a Luongo” and returned to their former teams, and evaluates teams currently on the playoff bubble.

SB NATION: Matt Brigidi examines how the NHL standings would look under a 3-point system, while Eric T. looks at how NHL scoring rates change with age.

RAW CHARGE: John Fontana dispels the myth of a growing epidemic of shootouts in the NHL.

SILVER SEVEN SENS: Maintaining the Status Quo in Hockey Broadcasting.

THE HOCKEY WRITERS: Sheng Peng lists several NHL general managers who made some of the worst trade deadline deals ever.