In today’s roundup of notable posts from the NHL blogosphere: concussions in the NHL, the Malkin-Ovechkin rivalry ten years later, cheering for a bad team, Patrick Kane’s chances to win the Hart Trophy, and more.

SBNATION: A collection of posts from a number of SB Nation’s hockey bloggers on the issue of concussions in the NHL.

THE HOCKEY WRITERS: David O’Connor examines the rivalry between Evgeni Malkin and Alexander Ovechkin a decade after it began.

Could Patrick Kane win the Hart Trophy this season?

Could Patrick Kane win the Hart Trophy this season?

HOCKEY INDEPENDENT: Frank Nova looks at Patrick Kane’s chances of becoming the first American-born player to win the Hart Trophy.

BACKHAND SHELF: Justin Bourne on the St. Louis Blues and the miserable tension of a losing dressing room, while Jake Goldsbie reveals how cheering for a losing team can be oddly therapeutic.

JIBBLESCRIBBITS: The “take-it-or-leave-it” negotiating style of the Colorado Avalanche management may be doing more harm than good.

THE COPPER & BLUE: Michael Parkatti examines who is the best shot-blocking team in the NHL.

HOCKEY ANALYSIS: David Johnson looks at quality of competition.

DAYS OF Y’ORR: Unofficial NHL 2013 Valentine’s Day Cards.