"....But what makes the way the 49ers attack the entire field so menacing is something as simple as it is counterintuitive. When they snap the ball in the Super Bowl against the Kansas City Chiefs, they’ll be bunched up closer together than any other team in the league.
For the last quarter-century, the trend in football has been to do the complete opposite. Spread offenses have trickled their way upward, from high school fields in Texas through the college game and into the NFL. The name explains the concept: receivers split out farther from the quarterback and even the offensive linemen space themselves out more, spreading the field and stretching the defense before the center even hikes the ball.
But ever since Kyle Shanahan became San Francisco’s coach in 2017, his team has been at the forefront of football’s latest schematic evolution. The spread is out. The squeeze is in...."