Shanahan suggests Redskins are still challenging cap penalties

Lost in all the hand-wringing and tooth-gnashing regarding the latest knee injury suffered by Redskins quarterback Robert Griffin III was an interesting comment from coach Mike Shanahan regarding $36 million in cap penalties that have hampered the 2012 and 2013 Redskins. Asked during a lengthy end-of-season press conference whether the Redskins are still challenging the…