Hit or miss: The over 30s signed by Derek McInnes at Aberdeen

So Derek McInnes has signed 34-year-old versatile defender Greg Halford after the injures to Shay Logan and Tommie Hoban. The former Portsmouth, Cardiff City and Wolves player went straight into the squad for the game against Hamilton Accies. Unfortunately for Halford history isn't on his side when Derek McInnes signs over 30s at Aberdeen. The …