Oliver told the Daily Mail: "The thought initially was, 'it can't be a penalty because it's offside so we need to check the offside first'. I think I said to the VAR, 'if it's not offside, I'm going to give a penalty'.
We have all, myself included, not thought about the challenge as much as should have done. We could still have given offside and sent Pickford off.
We got sucked too much into going step by step as opposed to thinking of the bigger process, which was considering the challenge as well and not just the fact it can't be a penalty. We should have restarted with the offside, as we did, but with a different punishment for Jordan Pickford.