SOTL The Complete Defensive Back Training - Men's From Football University comes an all-new take on football training. This DVD training course brings you coaching from the game's best and their unique tips on your position. From junior high, to high school and college play, the masters at FBU designed this aid to truly refine your game, with the people who know it best. SOTL's Complete Defensive Back Training provides instruction from 13-year, pro-football veteran, Chuck Bresnahan. Now a defensive coordinator and position coach, he gives you the ins and outs of making big plays, defending route receivers, maximizing your practice drills, and more.