This is a custom size XL blue jersey with sewn on name and numbers that was personally autographed by Tom Mack with HOF inscripiton. He was selected with the second overall pick in the 1966 draft from the University of Michigan. During his 13 year career from 1966-1978 the Rams were an impressive 129-48-7 and won eight division titles. He was a 11x Pro Bowl selection and a eight time All-Pro (first or second team). This item includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.