Nothing wrong with that, this is my match at Cup Final while I at lv8, for my oppo, my team show 7* and 8* coz he lv7 and I lv8.
I use cheat to make my player appear 7* and 8* to him, you wanna know what that cheat name ?

Click image for larger version.  Name: S8 Cup Final Result_1.jpg  Views: 68  Size: 85.2 KB  ID: 61090

That cheat name is PAYPAL