The Food Standards Agency rating scheme ranges from 0 (urgent improvement necessary) to 5 (very good).
Manchester United’s new score has seen it re-rated from good to “some improvement is necessary”.
About 250,000 people each season dine at Old Trafford on food prepared at the ground, according to the club.
The club’s pest-control teams were contacted soon after the rodents’ droppings were discovered.
“If incidences of this nature do occur, immediate and appropriate action is taken,” the club said.
The downgrade comes amid wider discussions about a new stadium for Manchester United, with the club expected to reveal its plans next year.
Youth football teams and grassroots clubs across the country have held a minute’s silence at the start of their games to commemorate a 10-year-old girl who di
10-year-old Poppy Atkinson was killed when she was struck by a car during a training session at Kendal Rugby Club in Cumbria. Clubs from Leeds to London
The high court, sitting in Liverpool, heard Uefa had relied upon the principle that English courts will not inquire into the legality of actions by foreign gove
Caption: Alan Shearer?s Premier League predictions credit: Getty / Metro After some impressive results for English sides in Europe the focus is