This season marks Chelsea's most dramatic overhaul since Jose Mourinho landed in English football and turned the English game on its head.
And while Frank Lampard's managerial expertise does not compare to the Special One's, he does have the rare opportunity to completely define a new mindset and kick off a fresh era at one of Europe's biggest clubs.
Lampard has only been in the job since July 4, but his impact on all areas at Stamford Bridge is already significant.
Here is a B/R Football Ranks look at the five biggest factors that have stood out since he arrived.