Well, some people lob them in a box, some people frame them, some are in books and some have them in albums. The last one I got was Eric Cantona's some years ago, although I don't collect them any more. It was good to meet him and his autograph is a nice memento - it was pre the 'selfie age'. My...
Or maybe he has a family member who wanted an autograph? I don't think getting someone's autograph after a game is going to influence the way he or his team mates have played.