Mop-haired and dressed in jeans and a black-and-white striped sweater, 16-year-old Martin Odegaard looked like a student walking the streets of Madrid. But this was no ordinary teenager.

Martin Odegaard has admitted Arsenal ... to step up towards the end of the season.” Odegaard says it was “frustrating” to watch the 2-2 draw at City from the sidelines while he was out ...