The summoner name or tag is incorrect
sandman #1284
SILVER II
-
Match History for Patch: 16.4.1
-
Champion Stats for Patch: 16.4.1
Champion Mastery
lvl: 73
823,207
lvl: 37
445,368
lvl: 19
230,340
lvl: 19
193,433
lvl: 17
189,734
lvl: 14
161,386
lvl: 13
117,145
lvl: 12
156,908
lvl: 12
101,931
lvl: 11
119,240
lvl: 10
83,401
lvl: 10
79,777