The summoner name or tag is incorrect
lab #0690
GOLD III
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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: 20
193,967
lvl: 16
150,883
lvl: 14
129,323
lvl: 11
97,595
lvl: 11
91,095
lvl: 9
72,785
lvl: 8
55,583
lvl: 7
49,494
lvl: 5
23,794
lvl: 4
19,272
lvl: 4
14,091
lvl: 3
9,157