Why Pierre-Emerick Aubameyang rushed straight down tunnel after Arsenal substitution
Arsenal stretched their unbeaten run to six matches.But Mikel Arteta, who praised his star striker’s mental strength for coming through a sticky patch, then revealed he was forced to take him off.Arsenal boss Arteta said: “He had to go in so we had to change it. It was just a little stomach issue, that’s all.“He needed that for his confidence and the team needs that to be successful.