Atletico Madrid have set their sights on Arsenal midfielder Martin Zubimendi, with the 27-year-old Spain international emerging as a potential target in the January transfer window, according to reports in Spain.

The news adds to a turbulent backdrop at Arsenal, where the futures of striker Viktor Gyokeres and midfielder Mikel Merino are said to be uncertain as the club works to manage its finances. However, the Gunners have made strong progress on new deals for three key figures — Martin Odegaard, Jurrien Timber, and Declan Rice — with all three contracts expected to be concluded before January.

Leeds push to keep Calvert-Lewin

Leeds United are preparing to accelerate contract extension talks with striker Dominic Calvert-Lewin, aiming to tie the 29-year-old England international down until 2030. The move signals confidence in Calvert-Lewin's role at Elland Road as the club bids to consolidate its position.

Elsewhere in England, Aston Villa defender Ian Maatsen, 24, is on the brink of signing a contract extension with the Birmingham club. The Dutch full-back has been a key part of Villa's squad this season.

Continental moves and keeper dilemma

Everton are among a cluster of European clubs monitoring Flamengo winger Samuel Lino, 26, who has drawn attention from several sides across the continent. The Brazilian wide man could be a target when the window opens.

Manchester United and Liverpool are both reported to be tracking Juventus and Italy defender Andrea Cambiaso, 26, as the two English giants look to bolster their defensive options.

Barcelona have expressed interest in Bayern Munich centre-back Jonathan Tah, but the German champions are firm in their stance — the 30-year-old is not for sale, and Tah himself is said to have no interest in departing.

Bayern Munich face a goalkeeping dilemma with veteran stopper Manuel Neuer, 40, potentially calling time on his career at the end of this season. The Bundesliga club are reportedly considering Schalke 04's Lorius Karius, 33, and Fulham's Bernd Leno, 34, as back-up options behind their preferred successor, 23-year-old Jonas Urbig.

Napoli target young Portuguese striker

Napoli are plotting a move for Monza striker Gustavo Varela, a 21-year-old Portuguese forward who has attracted interest from multiple clubs. The Serie A side view Varela as a promising long-term option, according to Gazzetta dello Sport.