spornybol is right. there are no advantages on it. Only negative cause 5* players are very rare to find on auctions.

i am level 6 and top level from my server, so i can tell: its not good. if you want to have a good team you need to be a token buyer. My cup is filled only with token buyers, so it's almost impossible to win, cause all teams has the same average. but its the most fun competition for me because of that. only big games!

now, how to check if ure on the top level of your server or not?

i dont know if there are other ways but this is how i discovered it in my server:

this season i have a player wich is a MC scout from last season and he just became 6* again, after losing 1* at the end of last season.

but this guy always played bad. overall game rating around 5.7 and no goals or assists, just tons of yellow cards. my 5* MC is much better than him.

so i decided to sell him, so at least he will bring me a good money.

i put him in auctions and nobody bids on him!

as we all know, you can only have a player quality at 5* maximun on auctions. and that means that there is no level higher than mine, cause if there was, people from this upper level should buy him quickly.

i hope it helped u bro

cheers