1.0CoachUp Nationhttps://www.coachup.com/nationKamal Walkerhttps://www.coachup.com/nation/articles/author/kamalwalkerrich600338<blockquote class="wp-embedded-content" data-secret="hlWJJhH6Pa"><a href="https://www.coachup.com/nation/articles/when-to-use-the-cover-three">When To Use The Cover Three</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.coachup.com/nation/articles/when-to-use-the-cover-three/embed#?secret=hlWJJhH6Pa" width="600" height="338" title="“When To Use The Cover Three” — CoachUp Nation" data-secret="hlWJJhH6Pa" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.coachup.com/nation/wp-includes/js/wp-embed.min.js </script> https://www.coachup.com/nation/wp-content/uploads/2017/08/cropped-dreamstime_s_25413401.png800450Cover Three Zone is a standard defense used on the high school, collegiate and professional level. This defense provides balance for stopping the run and the pass. Both corners have the deep third on their side or the field and the free safety is responsible for the middle. The Will (weak side) linebacker and strong […]