The summoner name or tag is incorrect
sponge #1234
GOLD III
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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: 43
690,885
lvl: 21
277,876
lvl: 18
219,847
lvl: 4
12,610
lvl: 3
8,731
lvl: 3
6,785
lvl: 3
10,216
lvl: 2
5,526
lvl: 2
4,642
lvl: 2
4,472
lvl: 2
2,471
lvl: 1
745