Transfer News: Liverpool medical, Chelsea to hijack Man Utd deal, Arsenal announcement

Loris Karius will become a Liverpool player this week.

Express Sport understands the German goalkeeper arrived yesterday on Merseyside to undergo a medical and will finalise his £4.7million move from Mainz in the coming days.

The 22-year-old has enjoyed a successful season in the Bundesliga and is expected to challenge Simon Mignolet for the No.1 spot next season.

Chelsea are planning to hijack Manchester United's move for Joao Mario, according to reports.

Jose Mourinho, who is expected to be announced as United's new boss in the coming days, is keen to bring the Sporting Lisbon midfielder to Old Trafford with him and the club have scouted the 23-year-old in recent weeks.

But according to Portuguese publication Record, Chelsea are readying a bid of £38.7m for Mario with owner Roman Abramovich keen to strike a deal.

Arsenal are expected to announce the signing of Granit Xhaka within the next 48 hours, according to reports.

The Switzerland international has already passed his medical and a £30m transfer fee with Borussia Monchengladbach has been agreed.

And The Mirror claim Arsenal will unveil their signing by tomorrow.