He had just one year of coaching experience at Championship side Derby to his name, but was trusted with the responsibility of succeeding Maurizio Sarri in west London.
Chelsea have signed six players this summer while City were linked with a mammoth move for Lionel Messi earlier in the window.
Lampard told Sky Sports: "I loved the nurturing past year, but I never wanted us to become an academy club".
"We have made some big signings".
It didn't wind up hurting Chelsea on Monday, as they topped Brighton 3-1, but Pulisic's debut can't come soon enough for U.S. fans who are eager to see what he can do as a follow-up to his breakout EPL campaign of last season. That's done now, and now we are looking at whether we can get better, whether we can improve as a club?
The English Premier League is back underway, but United States men's national team and Chelsea fans will have to wait to get their first glimpse of Christian Pulisic in his new No. 10 kit. It's something we had a long look at a year ago.
"I think with Liverpool's story - and I referenced it a lot last year, Liverpool's story - it's a fantastic story of a club over four-and-a-half, five years that Jurgen Klopp's been there that have managed to get recruitment right to a really high level".
"We know they have an incredible coach". Owned by countries, owned by oligarchs, that's the truth'.
He said: "Any time should be a good time be Chelsea manager".
"The profile of them I love".
"I also understand the expectations and pressures can change and move forward, and no matter who the person is sat in my office they will say there are pressures".
Chelsea have always been accused of hoarding young talent without a clear pathway to the first-team and Lampard's policy was a welcome change, however, the Blues boss insists he "never wanted" to become an "academy club" and says the focus should be on whether his side can compete for silverware.
Blues boss Frank Lampard fired back at Klopp's comments prior to their season opener against Brighton & Hove Albion on Monday.