NHL Blog Beat – February 28, 2013.

NHL Coaches in danger of losing their jobs, evaluating the Erik Cole-for-Michael Ryder deal, the effects of sleep issues for hockey players, and more.

GRANTLAND: In the wake of the Buffalo Sabres firing Lindy Ruff, Sean McIndoe looks at which NHL coaches are in danger of suffering the same fate.

Which team won the Cole-for-Ryder trade?

Which team won the Cole-for-Ryder trade?

HOCKEYBUZZ/DEFENDING BIG D: Eric Engels and Brandon Worley with their opinions on the Erik Cole-for-Michael Ryder swap.

BACKHAND SHELF: Justin Bourne with a fascinating examination of how sleep issues can lead hockey players down some dark paths.

THE HOCKEY WRITERS: Justin Glock lists the five most entertaining teams in the NHL.

MC79HOCKEY: Tyler Dellow suggests long road trips are the grind for players we’ve been led to believe.

THOUGHTS FROM THE MAN CAVE: Jeremy Lambert searches for the logic in how the Colorado Avalanche management conducts business and comes up short.

LIGHTHOUSE HOCKEY: NHL Tough Guys Repel Alien Invasion! No, really!!