The summoner name or tag is incorrect
minuteman #001
PLATINUM II
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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: 42
438,147
lvl: 30
302,243
lvl: 23
245,915
lvl: 17
157,279
lvl: 16
144,381
lvl: 15
140,468
lvl: 15
134,040
lvl: 13
117,534
lvl: 13
111,689
lvl: 12
99,723
lvl: 12
97,819
lvl: 12
107,301