The impact of Erik Karlsson’s injury on the Senators, Ryan O’Reilly’s contract standoff, Drew Stafford’s offensive struggles, and more.

SILVER SEVEN: Mark Parisi wonders how the Ottawa Senators will cope with the loss of Erik Karlsson to a potentially season-ending injury, and the impact his absence (and those of Jason Spezza and Jared Cowen) will have on the roster.

JERSEYS AND HOCKEY LOVE: James Gralian vents on what bugs him about the Ryan O’Reilly contract standoff. No one is spared.

BLUESHIRT BANTER: Speaking of O’Reilly, Joe Fortunato wonders if the NY Rangers should make a pitch for him.

Drew Stafford hasn't done much goal celebrating this season.

Drew Stafford hasn’t celebrated many goals this season.

HOCKEY BUZZ: “Garth” tries to figure out why Sabres forward Drew Stafford is struggling to score.

DEFENDING BIG D: Derek Neumeier explains how Dallas Stars GM Joe Nieuwendyk is getting big rewards out of seemingly small moves.

LIGHTHOUSE HOCKEY: David Hanssen examines potential in-season replacements if the Islanders decided to fire coach Jack Capuano.

DOBBER HOCKEY: Jeff Angus projects who could be on Canada’s Men’s Olympic hockey team in Sochi next year.

PUCK DADDY: Harrison Mooney highlight’s the “Six Jagrs” who attended last night’s Stars-Flames game, and caught the eye of the real Jaromir Jagr.