Leeds were 2-0 winners at Elland Road in a match that was marred in controversy after an incident at Derby's training.
About that "spy" at Derby County.
"For me it's enough that Frank Lampard and Derby County felt that it was not the right thing to do".
Derbyshire Police issued a statement denying those reports, but did confirm that "a man was found at the perimeter fence of Moor Farm and was spoken to".
"I'm the only one responsible for it, because I didn't ask for the permission of Leeds to do it", he added.
"Yesterday I talked for Frank Lampard and he told me that, for him, I didn't respect the fair play rules".
Derby manager Frank Lampard, also speaking ahead of the kick-off, said that the incident shouldn't be excused on cultural grounds. I've been using this kind of practice since the World Cup qualifiers with Argentina.
The club says they are in discussions with Leeds over the incident. "This is not unlawful, we've done it publicly, we talk about it in the press, for some people it's the wrong thing to do - for others it's not".
Derby boss Frank Lampard gave his view on the matter in the build up to the match and was clearly not happy at the tactics.
"We had somebody the day before our first game against them, which we lost 4-1", said Lampard.
"On a sporting level, it's bad, in my opinion", Lampard said.
"If we're going to start talking about "culturally I did it somewhere else and it was fine", then that doesn't work for me", he said.
'It's disrupted our build-up to this game, and the unfortunate thing for us is it's disrupted us from our end without doing anything.
Derby County have very much been the nearly-men of the Championship over the past few years, often falling at the final hurdles keeping them from returning to the Premier League. If preparation and tactics are not part of the game and quite sacred that you can work on them in your own training ground, then I think they must be lucky managers.