The summoner name or tag is incorrect
butstuff #1598
BRONZE IV
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Match History for Patch: 16.9.1
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Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 10
80,609
lvl: 9
73,500
lvl: 9
69,030
lvl: 7
52,506
lvl: 7
43,342
lvl: 6
42,484
lvl: 6
39,914
lvl: 6
38,890
lvl: 6
36,377
lvl: 6
33,330
lvl: 6
32,818
lvl: 5
29,200