I've definitely had second thoughts on Scimeca. He did always try, and went on to have a good career really. I always felt he just wasn't anywhere near the standard of central defenders he was playing alongside, and was too slow. He was far better than Richards and post-injuries Okore though I suppose.
I'm standing by Leonhardsen though. I tried to find the quote from GT at the time saying he went to watch a Spurs reserve match, saw Leonhardsen on the team sheet and though "I forgot he was still playing" and signed him. Bizarre.
A few other names I had on the list were Isaiah Osbourne, Dave Farrell, Simon Dawkins, Carl Tiler, Yacouba Sylla, Salifou (I can't even remember his first name), Emile Heskey, Alan Lee, Fabio Ferraresi and David Ginola.