Amumu's Winrate In Each Region Is Much Worse Than His Global Winrate (Plat + )
North America : 47.05% Korea: 45.91% Europe West: 45.49% EuNE: 50.45%
Average: 47.225% Winrate This is according to OP.GG
Yet it says he has a 51% winrate in Plat+ globally?
Am I calculating something wrong?