Absolutely not. Everything stays the same, other than your name.
For peace of mind, you could save your progress before you do it just to make sure, but I’ve done it and there is nothing to worry about.
Talking of clans, if you’re not happy with your current one then please consider the Champs (#408496)! We are a friendly and supportive clan with a great bunch of people. We are at 15 consecutive games and would welcome you aboard.
