"The players have done it with their work rate through the year but we're not there yet", Lampard said.
"I don't care who it is against or what previous there is, it's about can we perform well enough to get to Wembley".
There was an added measure of revenge for Lampard though following a bizaare incident in January when Leeds counterpart Marcelo Bielsa admitted to sending a member of staff to spy on Derby's training methods shortly before facing them in a league match.
"We were able to prepare for this game, we were prepared and we got a result".
On this manic, frenetic, brilliant occasion, the outcome was different, with Frank Lampard's side refusing to buckle when they went 1-0 down on the night and 2-0 on aggregate, with Jack...
But Bielsa had no complaints about his players throughout the campaign, saying: "What they have offered to the club during this season will be valued with time".
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"I know what its like as a player, but the pressure is even more intense as a manager".
We feel you, Pontus.
During the on-pitch celebrations, Derby's players could be seen miming the wearing of binoculars in front of their fans.
Leeds won the last top flight title before the advent of the Premier League in 1992, but suffered a financial implosion around the turn of the century and fell from its perch toward the top of the English game.
"We began to lose control in the 44th minute", he said, after dismissing questions over his future by claiming it was not a convenient time to discuss the matter. We changed the system and made a little tweak. We had opportunities to finish first or second in the table.
But Derby hit back with three quick-fire goals - one on the stroke of half-time and two in the first 13 minutes of the second half.
Leeds looked to have regained control on an incredible night of football when Stuart Dallas bagged his second, but there was still time for more drama.