The summoner name or tag is incorrect
muzzle #1337
BRONZE IV
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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: 52
562,350
lvl: 20
188,004
lvl: 9
84,806
lvl: 7
45,901
lvl: 7
42,962
lvl: 6
56,433
lvl: 6
33,032
lvl: 5
29,822
lvl: 5
24,445
lvl: 4
20,719
lvl: 4
17,356
lvl: 4
16,000