You finally got the big promotion. Your first coordinator gig. How do you prepare old coaches for the new changes? You can’t teach an old dog new tricks. That’s the saying. And if that’s true about the old dogs on your coaching staff, you might be in for a long season.  This week’s Quick Clinic question comes from a coach who was just promoted to Defensive Coordinator. He has a very experienced coaching staff, way beyond his own years, but he’s still got to get them ready to coach the new systems in season. How do you get it done?  This was a response to a listener question sent by twitter. You can send in your questions for the JDFB Quick Clinic by messaging me on Twitter @footballinfo or sending an email to me at joe@joedanielfootball.com.