He played professionally in the AFL for the Houston Oilers in 1967 and 1968, and the San Diego Chargers in 1969.
He then played in the NFL for the Chargers (1970–72), the St. Louis Cardinals (1973–75), and the New England Patriots (1976–77).
[1] He was the father of Arizona women's basketball coach Adia Barnes.
Peter died May 3, 2018, in Tucson hospice care after suffering from Alzheimer's disease.
This biographical article relating to an American football linebacker born in the 1940s is a stub.