Morris Southall was a member of the 1946 football team that posted an 11-0 record and defeated the University of Denver 20-0 in the inaugural Alamo Bowl. After leaving Hardin-Simmons he spent three decades as an assistant coach with Gordon Wood. Wood and Southall combined to win seven state championships in their 26 years at Brownwood High School. He also served as head coach at Seminole and Winters, Texas. In 1973 Southall was inducted into the Texas High School Coaches Association Hall of Honor. He is also a member of the Texas High School Football Hall of Fame (1994) and Gordon Wood Hall of Champions. He is the first and only assistant coach to be elected president of the Texas High School Coaches Association and the only assistant coach selected to coach THSCA all-star football game.