Cousins: Quarterbacking in the NFL, you don’t know what will happen

Kirk Cousins spent all offseason being told he was competing with Colt McCoy for the No. 2 quarterback job, behind starter Robert Griffin III. Today Cousins learned that wasn’t the case. So how did Cousins react when coach Jay Gruden told him this morning that he is Washington’s starting quarterback for the 2015 season? “Welcome…