ENGLEWOOD, Colo. — The kids don’t quite get it yet, but soon they will. Mike Sullivan, the Broncos’ new quarterbacks coach, has a habit of calling rookie running back Royce Freeman “Hoyce.”



It’s a compliment, but Freeman still responds with an inquisitive look.



Sullivan, a blue belt in jiu-jitsu, admires few more than Royce Gracie, the former ultimate fighter and member of the legendary Gracie family whom many credit with developing Brazilian Jiu-Jitsu. In Portuguese, Royce is pronounced Hoyce.



Freeman will learn. Freeman will probably like it.



But Sullivan will tell you he’s still learning.



In January, the Broncos hired him to guide their quarterbacks, which would feature a new starter in Case Keenum and two young players vying for the backup job in Paxton Lynch and Chad Kelly.



Over the past five-plus months, Sullivan has changed teams, cities and conferences, and is now getting acclimated...