The summoner name or tag is incorrect
case #978
BRONZE I
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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: 15
135,705
lvl: 10
89,430
lvl: 6
40,814
lvl: 6
38,168
lvl: 6
37,072
lvl: 6
36,621
lvl: 6
33,121
lvl: 5
28,984
lvl: 5
26,367
lvl: 4
22,092
lvl: 4
21,275
lvl: 4
16,814