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The Sean McVay effect is a term used to describe a trend beginning in 2018 regarding the hiring practices of National Football League (NFL) teams towards employing young head coaches that specialized in offensive strategy, but would later be expanded to describe the trend of hiring young head coaches in general. The phrase originates from Los Angeles Rams head coach Sean McVay, who when hired at 30 years old in 2017, became the youngest NFL head coach in the Super Bowl era (1966–present). McVay rapidly changed the culture of the organization and turned the Rams into the league's highest-scoring offense, resulting in the team becoming perennial title contenders and eventual champions in Super Bowl LVI. In light of McVay's quick success, NFL teams increasingly began to hire relatively younger head coaches.