Topical subject matter will usually help a production at the box office but the next question – as raised by two recent openings – is what theatrical treatment can add to the industrious efforts of journalism. One answer, as The Red Lion shows, is a tangential approach. Patrick Marber’s first new work for nine years is a drama about football that had the luck to begin just as the game’s governing body, Fifa, faced arrests and resignations caused by allegations of corruption.Set at a non-league team that began as a pub side, the play could be accused of being too far off the pace from the headline stories. Marber, though, cleverly demonstrates that the temptations that afflict the top end of the sport – greed, drugs, illegal dealings – are also on offer