The Red Devils are facing a major setback in their season following a disappointing 3-0 defeat to Tottenham over the weekend.
Massimiliano Allegri, former Juventus manager, is reportedly endorsed by Sir Alex Ferguson as a possible successor to Ten Hag.
Per Italian outlet Gazzetta dello Sport, former Juventus manager Allegri poses a serious option.
He is said to be backed by Ferguson, but there are also other contenders for the job.
Former England boss Gareth Southgate is one, while Internazionale manager Simone Inzaghi is also a contender.