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.
Romeo Crennel
Romeo Crennel (born June 18, 1947) is an American football coach who is the defensive coordinator and assistant head coach for the Houston Texans of the National Football League (NFL). He has been the head coach of the Cleveland Browns and Kansas City Chiefs, as well an assistant coach for six different NFL teams and four different college teams. He also has over 40 years of coaching experience which has included consistently being employed as a coach for all but two seasons 1970, only taking the 2009 and 2013 seasons off following both of his tenures as a head coach. He has had success as an assistant coach, winning 5 Super Bowls, however he has not found the same success as a head coach. His overall record in five seasons as a head coach and three games as an interim head coach is 28–55, with only one winning season and no playoff appearances.