GettyRichard MillsChelsea considering £43m summer move for Athletic Bilbao star Nico Williams which could spell bad news for Raheem Sterling and Mykhailo MudrykChelseaAthletic ClubTransfersPremier LeagueLaLigaChelsea are reportedly considering a summer move for Athletic Bilbao star Nico Williams.Article continues belowArticle continues belowArticle continues belowChelsea consider Nico Williams moveAthletic Club star may cost £43mQuestion marks over Sterling & Mudryk futuresArticle continues below