I (think) bar Sheff Utd - all of them except we've never played Sunderland at the Amex (in the league) , Or Plymouth ? We've memorably beaten Portsmouth and Derby, but haven't yet beaten Peterborogh (played em a couple of times at Amex). and never played Oxford. So a few gaps ? (someone will...
Leicester, Ipswich (and Norwich, Leeds, West Brom and Southampton) have all been beaten by Albion at the Amex.
So all 19 teams in the PL next season will have tasted defeat at the Amex before.