In addition to his service to VMI, Null headed Richmond's freshman teams in football, basketball, and baseball for four seasons.
[2] After graduating in 1943, he attended the University of Richmond where he played on the school's football, basketball, and baseball teams.
Null continued to work with Richmond following his graduation in 1947, coaching the freshman football, basketball, and baseball teams.
[3] After working four seasons with the Spiders, Null returned to his hometown to head the Staunton Military Academy basketball program.
In three years at SMA, Null was 49–11 and the team won the 1951 Northeastern Prep School Basketball Tournament in Glens Falls, New York.