That was not only one of the best Milan derbies in recent memory, that will surely be one of the matches of the season.
If last season was about clubs signing young South American talent, then this season presents the other side of that equation. Yet there is a tension between player development and building a cohesive, competitive side.
Ambitious jersey deals are just one example of how the internet is reshaping the footballing world. Likewise, the deal also gives Puma the opportunity to tap into the CFG network as a player would.
The advantage of being the biggest club in the world is that when all else fails, you can afford to be spectacularly unsubtle, remake the shape of an entire squad in the span of a single summer.
The mentality and pestilence brought on by instability looks to set Chelsea into a culture of short booms like Jose Mourinho and Antonio Conte initially experienced, followed by an inevitable decline regardless of the manager.