Wayne Rooney of Manchester United, left, argues with referee Michael Oliver during the Premier League match against Watford at Vicarage Road on September 18, 2016 in Watford, England. Richard Heathcote / Getty Images
Wayne Rooney of Manchester United, left, argues with referee Michael Oliver during the Premier League match against Watford at Vicarage Road on September 18, 2016 in Watford, England. Richard HeathcotShow more
Liverpool v Manchester United: Jurgen Klopp wary of Wayne Rooney threat ahead of Anfield clash
Alex Ferguson once described Liverpool versus Manchester United as the biggest fixture in club football and Monday’s clash at Anfield has been made all the more intriguing by the debate over the form of Wayne Rooney.