Daily Blackhawks news and league-wide notables.

• Jonathan Toews left Nashville injured. Could be serious. [Tribune] [CSN] [ESPN] [MyFoxChicago]
• Should we be panicking about Corey Crawford yet? [CSN]
• Marcus Kruger loves playing with Hossa. [Tribune]
• They say Adam Clendening is coming along nicely. [blackhawks.nhl.com]
• This team might have problems in April when, sing it, defense wins championships. [ESPN]
• Four teams from the Central Division in the top six. Madness, also history. [Cheer the Anthem]
• Block has the Ice Hogs roundup. [Third Man In]
• Yet another argument against employing pure fighters. [NYTimes]
• Friedman takes an extended look at big free-agent contracts. [CBC]
• The NHL and the NHLPA reached a decision about 2010-2011 Hockey Related Revenue. Don't expect CBA negotiations to go this well. [Globe&Mail]
• Hackel discusses the unpredictability of goalie performance. [SI.com]