Crystal Palace became the latest victims of Southampton’s purple patch as goals either side of half-time from Nathan Redmond and Stuart Armstrong saw Ralph Hasenhüttl’s side record a fourth away victory in succession in the Premier League.

On a night that Wilfried Zaha renewed hostilities with James Ward-Prowse, a lethargic and weary Palace were totally outclassed, with Southampton moving above them into the top half of the table and within three points of fifth place having looked certainties for a relegation dogfight just a few weeks ago.