Redskins running back Clinton Portis sported a Washington Nationals cap Friday, making some amends for wearing a Philadelphia Phillies cap at a press conference Thursday. The minor faux pas had turned several heads, particularly since the Skins will be playing the Eagles Monday night. Portis’ excuse: he grabbed the first red hat on his way out of his house that day. Of course, Portis is not a stranger to stylish dress (see pic right)…