Getty/GoalMark DoyleChampions League Power Rankings: Liverpool, Barcelona & the last 16 rankedChampions LeagueBayern MunichAtalantaReal MadridValenciaLyonBarcelonaParis Saint-GermainRB LeipzigJuventusBorussia DortmundTottenhamManchester CitySSC NapoliChelseaFEATURESLiverpoolAtletico MadridInjuries, fluctuations in form and changes in the dugout all have the potential to change the picture for teams competing in the knockout rounds