Tandy
I believe it started in a preseason game at St Andrews versus a Spanish team which I think was either Osasuna or Deportivo La Coruña.
They had a substitution who didn’t have a name/number on his back or wasn’t on the team sheet so when they tannoy announcer went to read his name out he obviously couldn’t and just said something along the lines of “coming on is number... erm... I don’t know”
Yes I remember that incident however you're some years out there, this was the pre season before we got relegated from the prem under Bruce. Either clapham or Clemence scored that day?