Real Valladolid defender Fernando Calero, 23, who is being tipped to join Arsenal, has revealed on social media that he is in London.

Arsenal are looking to sign a centre-back in January and are considering Manchester United's Ivory Coast international Eric Bailly, 24, former England international Gary Cahill, 32, of Chelsea and Real Valladolid's Spanish defender Fernando Calero, 23.

Spanish club Real Valladolid's Patrick Ebert, 26, will replace Kim Kallstrom at Russian side Spartak Moscow after the 31-year-old Swedish midfielder moved to Arsenal in the January transfer window.

Cardiff have signed a pre-contract deal with Real Valladolid striker Javi Guerra, 31, who will join on a free transfer in the summer.

Atletico Madrid are courting Real Valladolid's Patrick Ebert, 26. The German midfielder was spotted meeting the club's sporting director Jose Luis Perez Caminero, fuelling speculation of a move to the Spanish capital next season.