The summoner name or tag is incorrect
aaaaa #fsb
MASTER 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: 241
2,627,580
lvl: 16
168,870
lvl: 15
141,061
lvl: 14
140,480
lvl: 14
126,864
lvl: 14
126,578
lvl: 14
124,713
lvl: 13
139,314
lvl: 13
115,004
lvl: 12
99,329
lvl: 11
99,630
lvl: 11
94,096