If you count winning by penalty shoot out...I seem to remember beating the Villa in the Zenith Data Systems cup in about early 90s with Terry Butcher player manager being sent off too....
Sounds like you need to email Jim Brown!
I can't recall any in recent history. What concerns me is, with Birmingham in a higher division, does this count as a "Giant Killing"?
If you count winning by penalty shoot out...I seem to remember beating the Villa in the Zenith Data Systems cup in about early 90s with Terry Butcher player manager being sent off too....