Shanahan says Griffin is the starting quarterback

In the days preceding the draft, Robert Griffin III (i.e., RG3) said he’d have to beat out Rex Grossman (i.e., RG3-and-out) to become the starting quarterback in Washington. Griffin already has. “He’s the starter.  Period,” coach Mike Shanahan said Sunday, at the conclusion of a rookie minicamp. The far bigger surprise is that Shanahan acknowledged…