1. I wear the no.17 at my current club
2. I have played for 4 clubs in my senior career
3. I play as a LM/LW
4. One of my previous clubs made £4m profit on me
5. My youth was spent mostly at FC Mainz 04

So whom I?

I only know Mainz 05

Mainz 04 never heard of that but I think its this fella