Man Utd boss Ruben Amorim can take them back to the top, says David Artell

Manchester United head coach Ruben Amorim reacts on the touchline (Adam Davy/PA)

Under-fire Manchester United head coach Ruben Amorim has been backed to return the club to the top by an unlikely source – the man behind Grimsby’s sensational Carabao Cup upset.

Grimsby boss David Artell masterminded one of the biggest cup shocks of recent years after his League Two side stunned Premier League giants Man United 12-11 on spot-kicks after a 2-2 draw at a buoyant Blundell Park.