Eight years, three teams – How Kyle Shanahan and Matt LaFleur got here together

GREEN BAY, Wis. — Matt LaFleur and Kyle Shanahan represent everything that is young and hip about the NFL. From their half-shaven look to their messed-up-on-purpose hair and perfectly sculpted eyebrows to their inventive offenses, they — along with their slightly blonder comrade Sean McVay — are the league’s next iteration of head coaches.

Don’t let their looks fool you.

There’s an old soul in each of them.

His name is Mike Shanahan, and to hear LaFleur tell it, he’s one of the biggest badasses they’ve ever…