Getty/GoalMark DoyleMessi, Ronaldo and the 15 best signings of the summer transfer windowTransfersPremier LeagueBayern MunichNuno MendesCristiano RonaldoManuel LocatelliDavid AlabaParis Saint-GermainManchester UnitedAndre SilvaBundesligaGeorginio WijnaldumInterJuventusRomelu LukakuLigue 1Real MadridBarcelonaSaul NiguezHakan CalhanogluIlaix MoribaMatteo GuendouziLaLigaRodrigo De PaulLionel MessiAchraf HakimiRB LeipzigDayot UpamecanoSergio RamosGianluigi DonnarummaMarseilleSerie ATammy AbrahamMemphis DepayChelseaFEATURESRaphael VaraneAtletico MadridAfter one of the craziest transfer windows ever, Goal picks out the most impressive deals based on quality, price and the buyers' needs