<Li> <P> Marvin Lewis holds the record for most wins as a Cincinnati Bengals head coach . </P> </Li> <P> Marvin Lewis holds the record for most wins as a Cincinnati Bengals head coach . </P> <Li> <P> Sean McVay, the youngest head coach in modern NFL history . </P> </Li> <P> Sean McVay, the youngest head coach in modern NFL history . </P>

Who's the youngest coach in the nfl