Sean McVay
On January 12, 2017, McVay was hired to become the 28th head coach of the Los Angeles Rams at the age of 30 years, 11 months, 19 days. The Rams had made him the youngest head coach in modern NFL history, surpassing Lane Kiffin, who was 31 years, 8 months, 14 days old when hired by the Oakland Raiders in 2007.
Los Angeles Rams
On January 12, 2017, Washington Redskins offensive coordinator Sean McVay became the new head coach at the age of 30, which made him the youngest one in modern NFL history, surpassing Lane Kiffin who was 31 when hired by the Oakland Raiders in 2007.