D-Zone Box +1 Structure D-Zone Box +1 is a foundational, pro-level defensive structure used across the NHL and top European leagues. It delivers stability, spatial control, and clear roles-the three pillars of elite team defense. Four players form a compact box that protects the slot, while a fifth player-the +1 pressure forward-applies controlled pressure to … Continue reading IHM Academy · Defensive Zone Coverage-Lesson #1