Defense Courses DEF 1000: Introduction to Defense DEF 1100: Off Ball Defense DEF 1300: Guarding a Ball Handler I DEF 2000: Intermediate Defense DEF 2100: Being a Secondary Defender DEF 2300: Guarding a Ball Handler II DEF 3000: Advanced Defense DEF 3100: Guarding Off Ball Screens I DEF 3200: Guarding Off Ball Screens II DEF 3300: Guarding On Ball Screens I DEF 3400: Guarding On Ball Screens II