Bayern Munich could be set to enter the running to sign highly-rated Real Sociedad defender Inigo Martinez, [football] direct news understands. The 22-year-old has been a key performer for the Basque giants in recent times, and now looks like one of the most impressive young players in La Liga with a string of solid displays this season. The likes of Manchester City and Real Madrid have also been linked with the Spain international in recent times, but Pep Guardiola now looks to be making him his top target as he seeks to revamp his back four. Jerome Boateng has not been at his best for the Bavarian giants this season and may be allowed to leave has he continues to attract interest from the likes of Liverpool and Arsenal, meaning there could be a gap to fill at centre-back. Sociedad face the prospect of a number of key players departing the club this summer, with Antoine Griezmann also emerging as a possible target for Bayern, while former Arsenal striker Carlos Vela is also attracting plenty of attention after his fine performances this term. Inigo is a top talent and I think he will have big offers this summer, a source close to the player revealed. “We have heard already (about) Manchester City, Real Madrid, and I believe Guardiola would like to bring him to Bayern.”Read more Manchester City transfer news.