Such a typically emphatic finish – which saw Isak rifle home after a long Martin Dubravka free-kick was headed on by Sven Botman and flicked into his path by Jacob Murphy – saw the 25-year-old continue an incredible goalscoring run that now stands at 15 for the season, including seven in his last five games and 10 in his last nine as he reached 50 for Newcastle in two-and-a-half years.