Sunderland are exploring an ambitious move to sign Bayer Leverkusen midfielder Granit Xhaka.
The Black Cats are interested in signing the 32-year-old Bundesliga winner to spearhead their Premier League return.
Xhaka has three years left on his Leverkusen deal but could be allowed to leave this window.
Sunderland face competition from Saudi Arabia for the ex-Arsenal midfielder's signature.
Xhaka is hugely experienced with 137 caps for Switzerland and fits the profile for Regis Le Bris' young team.
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1
How far with arsenal signing a striker