Lee Charnley is set to hold talks with Steve McClaren over becoming Newcastle’s new head coach.
McAllen was sacked by Derby County earlier this week for failing to gain promotion with the Rams.
Newcastle United target Juanmi has a release clause of €7million, according to El Desmarque.
He is low on the club’s priorities this summer but a cut-price move for the Spaniard cannot be ruled out.
Panathinaikos are interested in signing Newcastle United midfielder Mehdi Abeid this summer.
The 22-year-old – who spent last season out on loan with the Greek club – has struggled for first-team football on Tyneside.