What happened: Minnesota Vikings defensive coordinator Brian Flores and Chicago Bears head coach Ben Johnson bring mirroring styles of creativity and aggressiveness to their Sunday matchup. The coordinators operate as two sides of the same tactical coin.

Why it matters: The battle pits the Chicago offense against Minnesota's defensive fronts. Both play-callers dictate terms to the opposition rather than reacting.

What to watch: Watch how the Chicago offense adapts to simulated pressures as the game continues.