We all know there are a lot of crazy soccer (football) fans out there.
But do you have a team that you love so much that you can name every player by simply touching them?
Meet 9 year old Barcelon fan, Mamadou Lamine!
Mamadou was born with Peters-plus syndrome, and was blind from birth. He followed football and Barcelona religiously by listening to the radio.
And he finally got to meet his heroes and did this.