The biggest talking point of the summer continues to be Alexander Isak, with his United future still up in the air as his team-mates continue their Far East jaunt. The Swede has missed the club's Asia jaunt as Liverpool linger over a potential swoop his for signature.

Sources have told ESPN that Newcastle have accelerated talks with Leipzig to sign Sesko -- who Manchester United also have in their sights. Sources would not confirm the value of the bid, but British media report said it is worth up to £69.7 million ($92.5m)

Isak was left out of the Newcastle squad for their pre-season tour of Asia as he wants to explore a move away - despite the club qualifying for this season's Champions League. The bid from Liverpool has been lodged while Isak trains alone at former club Real Sociedad,