A near identical own goal - another Davide Zappacosta cross, this time sliced into his own net by Richard Keogh - restored Chelsea's advantage after 21 minutes.
"VAR should clear up the ones that go slightly wrong".
The Italian admitted that Barkley was developing Lampard's goalscoring touch, but played down the comparisons, for the time being, saying: "I thought Frank Lampard getting in the box was exceptional".
DF Davide Zappacosta, 6 - Provided two assists with risky crosses, though it's hard to know how much credit to give him when they both found Derby players.
"This wasn't a game for Mason to run because he's against Chelsea, against [N'Golo] Kante, [Mateo] Kovavic and Fabregas", Lampard added. Sat up all afternoon staring at the ceiling. (I was) nervous and excited.
Having memorably beaten Manchester United at Old Trafford, the Chelsea fans perhaps had the comfort of knowing their admittedly weakened side should still have too much for the Championship club.
Ruben Loftus-Cheek is now enjoying the best goalscoring spell of his career, netting in two consecutive games for the first time.
But Cesc Fabregas slotted home four minutes before half-time for what proved to be the victor.
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But it failed to plug the leaks and it was no surprise that Fabregas forced home the third for Maurizio Sarri's side from close range in the 41st minute. "He's coming home so it will be a big night".
Speaking about the announcement, Zola told the assembled press: "I can tell you it's not that (Lampard)".
"We are pleased because he is such an important player for us".
Gianfranco Zola afterwards played down the notion that Chelsea's edge had been blunted by playing in a stadium chanting for the opposition manager, instead crediting Lampard's game plan of blocking passes into Cesc Fabregas and forcing those behind him into uncomfortable decisions.
"It was more than a little bit (shaky), especially towards the end", Zola said.
Marriott has been directly involved in six goals in his past five games for Derby in all competitions (four goals, two assists). "Not like you or like every supporter here in London or for supporters of Tottenham or Arsenal, but we are going to play against them in the Premier League or like now in the Carabao Cup and I am going to research a lot of information about this". In this country, in cup games, they can't be underestimated.
Derby have not won in any of their previous eight visits to Stamford Bridge and will have to pull off a herculean task if they are to come away with something in the end.