The Bears started rookie camp with a first practice under coach Ben Johnson and the new coach found he was as unfamiliar with something as his young players.

Bears coaches have been allowed on the field while veterans perform drills as part of their offseason program the past few weeks. But Friday’s rookie minicamp was the first time Bears players, no matter the age, were allowed to line up in formation and run a play — and the first time their head coach could blow it dead.