Getty Images/GoalGOALRonaldo, Modric & the stars who may have played their last World CupWorld CupEgyptBayern MunichReal MadridOpinionBarcelonaSpainGermanyUruguayBrazilParis Saint-GermainArgentinaCroatiaPortugalManchester CityLiverpoolFranceThe World Cup often marks a watershed in players' careers, and a few of the game's biggest names may choose to stand down now Russia 2018 is overArticle continues below