The summoner name or tag is incorrect
echo #uppie
SILVER 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: 15
139,894
lvl: 11
93,114
lvl: 8
60,301
lvl: 8
54,326
lvl: 7
45,860
lvl: 6
35,221
lvl: 6
34,004
lvl: 6
33,139
lvl: 5
30,841
lvl: 5
29,386
lvl: 5
29,330
lvl: 5
27,834