He was also a linebacker for the BC Lions in the Canadian Football League (CFL).
He accepted a football scholarship from the University of Tulsa, where he was a two-way end.
[2] Porterfield was selected by the Dallas Cowboys in the 14th round (187th overall) of the 1965 NFL draft.
[5] He was considered a defensive end, before switching to linebacker and then to offensive guard.
[6] In October 1965, he signed with the BC Lions of the Canadian Football League, where he played 2 seasons at outside linebacker.