As i said earlier, i don't think Bart did a whole lot wrong. He had to do something or Bereton would have had a tap in at the far post. Far more culpable were the three central defenders who allowed the situation to come to pass in the first place, or perhaps one of Billy/Gross who should have...
No one covered themselves in glory, But it was webby's man to mark and far from marking, he pushed him into space and stood to watch when he headed home.