Most managers got where they are being good under pressure, reacting quickly without flinching in the face of adversity. Most managers get their juice operating in the red zone.
The best managers are most effective by sensing pressure before it builds, preventing blow-back that requires extraordinary effort (and overtime). They don’t flinch because they meet adversity early on when there are lots of options. The best managers stay out of the red zone through planning, anticipating, cross-training, delegating and building bench strength in the team.
It is not extraordinary effort that makes a great manager. It is ordinary effort looking forward. It is not heroically fixing a catastrophe, but creating a sensitive feedback loop that prevents the catastrophe in the first place.