After throwing eight interceptions over a four-game span, though, the best quarterback on the Washington Redskins' roster was banished to the bench and became an afterthought down the stretch last season.
"Kirk's one of the sharper guys I've been around," Shanahan added. "He processes things so fast. He lets it rip. He's as tough as can be."
Shanahan might be overstating Cousins' potential.
That said, Cousins has proven capable of consistently moving an offense. With the right mentor, he would be an upgrade in several NFL cities.