This will vary because unlike other stat sites we include 100% of a brackets champions played and never include champions that don't belong in the bracket.
All Ranks Champions Analysed: 241,634,660
We include 100% of the champions played of every selected tier bracket in our analysis, we never include champions from outside the tier quoted tier.
Amumu Counters
Amumu middle vs jungle Counters
Presently there is insufficent games played by Amumu middle on Patch 30 to determine the strongest jungle counters. A matchup requires a minimum of 100 games to be displayed.
Viego
The Ruined King
Amumu wins against Viego 42.34% of the time which is 6.92% lower against Viego than the average opponent.
After normalising both champions win rates Amumu wins against Viego 1.14% more often than would be expected.
The average opponent winrate against Viegois 49.26%.
Master Yi
the Wuju Bladesman
Amumu wins against Master Yi 44.95% of the time which is 5.68% lower against Master Yi than the average opponent.
After normalising both champions win rates Amumu wins against Master Yi 2.42% more often than would be expected.
The average opponent winrate against Master Yiis 50.63%.
Lee Sin
the Blind Monk
Amumu wins against Lee Sin 45.14% of the time which is 7.51% lower against Lee Sin than the average opponent.
After normalising both champions win rates Amumu wins against Lee Sin 0.62% more often than would be expected.
The average opponent winrate against Lee Sinis 52.65%.
Nocturne
the Eternal Nightmare
Amumu wins against Nocturne 47.62% of the time which is 0.06% lower against Nocturne than the average opponent.
After normalising both champions win rates Amumu wins against Nocturne 7.94% more often than would be expected.
The average opponent winrate against Nocturneis 47.68%.