Lewisville's Walt Garrison played for Oklahoma State as a 6', 205 lb. fullback from 1963-1965. Garrison was named to the 1964 All-Academic Team, and in the following season, he led the Big Eight in rushing yards, was an All-Big Eight selection, and was named Outstanding Back in the 1965 Senior Bowl. After college, Garrison began his nine-year NFL career in Dallas where he played in the Cowboys' backfield from 1966-74 under coach Tom Landry. He was a member of the 1971 World Champion Cowboys team and was a 1972 Pro-Bowl selection. Garrison retired with 3,886 career rushing yards and 1,794 receiving yards, which at the time ranked third and fourth respectively in all-time Dallas Cowboys history.