Omar Marmoush is expected to sign a five-year contract at the end of his loan spell
Transfers
The Bundesliga champions will pay €75million (£65.6m) for the services of the 28-year-old
Viktor will wear the number 14 shirt and will link up with the squad on their pre-season tour in Asia
The Gunners reached a full agreement with Sporting on Friday for the transfer of Gyokeres
Chelsea are keen to strengthen their goalkeeping roster, showing interest in Italian star Gianluigi Donnarumma.
Arsenal finally have a breakthrough in negotiations with Sporting CP to sign Viktor Gyokeres this summer
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