Nothing to do with managers (I don't think)!! Took me a while to remember all 20 - I need the season to start as I'm getting rusty!!!
Bruce, Holloway, Allardyce, Hughton, Pardew, McKay, Moyes, Lambert, Hughes, Clarke, Rodgers.
Di Canio, Martinez, Wenger, Pellegrini, Pocochetti, Jol, Laudrup, Vilas Boas, Mourinho.