I know what a backer D is, I I'm glad someone taught you what it was, but that had nothing to do with the post, nor was YJU's defense even mentioned in the post in that manner. Backer D or not if the Attacking girl isn't sitting on the crease like a drain stop, than neither is her defender without being called for 3 Seconds. No less than 5 times does a USC attacker beat there defender with what would normally be a clear shot to the goal, only to be stopped by areas attackers defender. Since you think you know so much about a backer D than yo know it will not work against the Terps, 'cause, N.W.U. as UNC will attest to. Shannon was able to beat it as was Schwartzman, and Tumolo. Essentially speaking USC beat themselves.