Originally written on Pro Football Zone  |  Last updated 11/14/14
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San Francisco 49ers tight end Vernon Davis took a hard hit from Seahawks safety Kam Chancellor during tonight’s game that forced his head to whip back.  He ended up suffering a concussion and is out for the remainder of the game. Vernon DAvis has a concussion and is out for the game. — Matt Maiocco (@MaioccoCSN) December 24, 2012 It wasn’t a helmet to helmet hit, but the officials immediately threw their flags because of how violent the hit was and the fact that Chancellor launched himself into Davis. I honestly can’t remember if the NFL is against players launching themselves  or if they’re against just helmet to helmet hits, or both.     Need NFL Tickets? var _CI = _CI || {}; (function() { var script = document.createElement('script'); ref = document.getElementsByTagName('script')[0]; _CI.counter = (_CI.counter) ? _CI.counter + 1 : 1; document.write(''); script.type = 'text/javascript'; script.src = 'http://widget.crowdignite.com/widgets/27484?_ci_wid=_CI_widget_'+_CI.counter; script.async = true; ref.parentNode.insertBefore(script, ref); })(); sr_adspace_id = 1000005525107; sr_adspace_width = 300; sr_adspace_height = 250; sr_ad_new_window = true; sr_adspace_type = "graphic";

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