![](http://oi44.tinypic.com/2eztdua.jpg)
The wall was too far right (from this view) - the ball went where Gunter is stood, which isn't part of the wall. So really McC should have been more to his left as well as the wall. Then it would have been saved, and if it went in the other corner then fair play to Barton for getting it up and over the wall from that close