When team leader George Wood announced the extension of the contract, the team easily triumphed over Manchester City on away ground 2:0. These two matters combined to inflate Nottingham Forest's morale, boosting their confidence.
Upon facing the Celtics in the Champions League group match, the Nottingham Forest players expressed that there was no problem in winning on home ground. Twain took a list of the names of people who either expressed similar sentiments to the media or were overconfident in their usual training from Dunn. On the starting roster of this starting group match, none of those people were on it. Overconfidence was the most serious problem in the middle and back court. Shahin, Bostock, Bentley, Kompany, and Rafinha were on that list.