The summoner name or tag is incorrect
wolf #511
SILVER I
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Match History for Patch: 16.10.1
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Champion Stats for Patch: 16.10.1
Champion Mastery
lvl: 54
567,127
lvl: 15
134,894
lvl: 14
120,027
lvl: 9
69,261
lvl: 9
67,129
lvl: 8
54,507
lvl: 7
51,053
lvl: 7
49,228
lvl: 7
46,505
lvl: 6
47,587
lvl: 6
41,720
lvl: 6
39,549