Amumu could use a buff to make him more viable... Especially in high elo.
As the title says...
is currently sitting at a 50-51% win rate:
http://na.op.gg/champion/amumu/statistics/jungle
http://champion.gg/champion/Amumu/Jungle
Q: Bandage Toss
Cooldown decreased from 16/14/12/10/8 to 12/10/8/6/4 seconds
W: Despair
Mana costs decreased from 8 to 4 seconds all ranks
R: Curse of the Sad Mummy
Cooldown decreased from 150/130/110 to 110/90/70