Whether he was tackling strikers on the field or marshalling his Ireland team from the dugout, Jack Charlton always approached the beautiful game as he did his life – with unflinching honesty. And directors Gabriel Clarke and Pete Thomas took the same approach when making this wonderful documentary. Jack’s wife Pat invited the film-makers into the family home while he fought his final opponent – dementia. “That’s me,” he cries with delight as footage of his younger self plays on his laptop. It seems Jack dealt with his memory loss with the same energy with which he attacked his career. And what a career.

The film intersperses these touching domestic scenes with interviews with players and family members, alongside revealing…