Tight end John Carlson's 2013 campaign formally ended when the Minnesota Vikings placed him on injured reserve in late December. He had sustained what reportedly is his fifth known concussion (dating back to college) in Week 14 and has been mulling retirement since then.
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Rumor Central represents regular tips and analysis from ESPN sources plus numerous credible external sources from every form of media. We will speculate intelligently and consider future possibilities on open-ended topics. If something looks speculative, it was intended to be.