GettyGOALHiguain, Piatek and the best XI of the January transfer windowTransfersPremier LeagueChampionshipJuventusBournemouthSerie ABarcelonaLaLigaChelseaParis Saint-GermainAC MilanLiverpoolLigue 1LeedsChelsea and AC Milan's newcomers were among the biggest moves seen in a frantic winter transfer period