It turns out that the reason why veteran Detroit Lions guard Rob Sims has been limited this offseason is that he underwent offseason surgery, presumably on the shoulder that has bothered him the past couple of seasons, according to Chris McCosky of the Detroit News.
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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.