Patch 26.9 Data
Champion Matchups
Pick two champions and see who wins. Win rates, counters, and tips powered by live ranked data.
Champion 1
Master Yi
VS
Champion 2
Amumu
vs

50.7%
Master Yi win rate vs Amumu
Skill matchup — could go either way
619
Games Analyzed
50.7%
Master Yi WR
49.3%
Amumu WR
+58
Avg Gold Diff @15
Master Yi
DamageAD
StyleSustained
RangeMelee
Difficulty**---
StrongLate game
RunesLethal Tempo / Resolve
SummsFlash + Smite
Amumu
DamageAP
StyleAll-in
RangeMelee
Difficulty*----
StrongMid game
RunesAftershock / Inspiration
SummsFlash + Smite
Power Spike Timeline
Amumu
Level 3
Master Yi
Level 6
Amumu
Level 6
Amumu
1 item
Master Yi
2 items
Master Yi
3 items
How to Play This Matchup
Power Curve
Master Yi is strongest late game while Amumu peaks mid game. Play around your power window.
Mixed Resistances
Master Yi deals AD damage while Amumu deals AP. Build resistances accordingly  don't stack the wrong type.
Exploit Amumu's Weakness
Amumu's main weakness: Invades, early dueling, counter-jungling. Play around this to maximize your advantage.
Master Yi Win Condition
Scale, Q resets in teamfights, R makes untargetable
Amumu Win Condition
Double Q engage, R AoE stun wins teamfights
Recommended Items
Master Yi

Blade of the Ruined King
Core
Build every game

Guinsoo's Rageblade
Core
Build every game

Wit's End
Core
Build every game

Mercury's Treads
Defensive
MR + tenacity vs Amumu's AP damage and CC

Hexdrinker
Counter
Magic damage shield vs Amumu's burst
Amumu
Sunfire Aegis
Core
Build every game

Thornmail
Core
Build every game

Gargoyle Stoneplate
Core
Build every game

Plated Steelcaps
Defensive
Armor boots vs Master Yi's AD damage

Bramble Vest
Counter
Grievous wounds + armor vs Master Yi's sustain/autos
Master Yi's Worst Matchups
Amumu's Worst Matchups
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