The coming MRI itself suggests concern, and the flurry of reports that insist Von Miller “will miss some time” for the Bills do the same. In what can only be characterized as a best-case scenario given the immediate look and feel of Buffalo Bills star Von Miller’s knee injury, there are early reports that he only sustained a “sprain” in Thursday’s 28-25 win at Detroit. But even if that ends up being the diagnosis – and the Bills will supervise Miller undergoing an MRI and other testing on Friday – “best-case” isn’t all that great. The MRI itself suggests concern,…