When Tommy and Billy leave the massage place and Billy gives Tommy the Viagra, Tommy is carrying his jacket. But in the next shot, when he is walking through town, he does not have it.
When Tommy Johnson's grandfather has a heart attack on the bus, he stumbles off with jacket in hand. In the next shot, Zebedee throws the jacket at him from the back of the bus.
During the fight against Millwall, we see Raff on the floor with blood and bruises on his face. However, when the police arrive, we see Raff taunting them with no signs of being hurt at all.
Danny Dyer's character says his grandfather and another man were 'kids' when they did National Service, then describes them taking part in the 1944 D-Day landings. National Service was not introduced until 1947. Conscription was a different type of military service.
During the cup draw, the TV presenter mispronounces "Middlesbrough" as "Middlesborough", with an extra syllable.