After serving as line coach and offensive coordinator under Henry Russell Sanders at the Vanderbilt University and later University of California, Los Angeles, Myers became head coach at Iowa State University in 1957, where he compiled a 4–5–1 record. He later coached at Texas A&M from 1958 to 1961. His record there stands at 12–24–4. Myers frequently used a single-wing formation he had learned at Tennessee under head coach Robert Neyland. Myers was hired by Tom Landry to coach the Dallas Cowboys offensive line in 1962. He later became offensive coordinator and associate head coach.