tottenham vs newcastleAlexander Isak stung Tottenham with a second-half winner against the run of play as Ange Postecoglou’s side dominated Newcastle yet fell to a 2-1 defeat.Tottenham's hopes of securing a top-four finish disintegrated in humiliating fashion as Newcastle smashed five goals in the first 21 minutes on their way to an extraordinary 6-1 win at St James' Park.