By Jude Summerfield Guido Rodriguez claims he is happy at Real Betis as rumours mount over transfer interest from La Liga giants Barcelona. Barca have snapped up free agents like Ilkay Gundogan and Inigo Martinez as a result of the club’s financial turmoil and reports have suggested the Catalan giants see Rodriguez, whose contract expires at the end of the season, as a worthwhile target in the summer transfer window. His arrival would likely see Oriol Romeu depart while another first-team midfielder will be sought and, while Rodriguez admitted he is content at Betis, the 2022 World Cup winner …