Obert Logan was a four-time letter winner who earned Little All-America Honorable Mention honors, and was a three-time member of the All-Texas Team. In addition, Logan was a three-time selection for the All-Southland Conference Team.

Logan played as a defensive back for five years in the National Football League. He was a member of the Dallas Cowboys in 1965, 1966, 1968 and 1969. Logan played for the New Orleans Saints in 1967. He earned the Bachelor of Science in mathematics in 1965.