Tell us your best & worst Dons signings

Ah, summertime. A heatwave has Scotland drenched in sunshine and today is the day that the transfer window officially swings open for business.

Let's be honest, though. For every superstar recruit who bangs in the goals and could nutmeg a mermaid in a phone box, there is often an almighty dud who would struggle to trap a bag of cement.

We want you to cast your mind back through Aberdeen's signings of years gone by and pick one player who you regard as the best, and one letdown who is your worst.

Simply click this link and tell us about them.