IMG SOURCE: Google

Why did Thiago Silva yell at Kalidou Koulibaly during Chelsea's win against Everton?

IMG SOURCE: Google

Chelsea supporters got a taste of what Mason Mount predicted Kalidou Koulibaly would bring to the club.

IMG SOURCE: Google

There's a lot riding on the former Napoli star's £33 million transfer this summer, and with Antonio Rudiger's leaving, there's a big hole to fill.

IMG SOURCE: Google

When you go in and start looking at his games and evaluating them, you can see the quality in his defending, the quality in his body placement, and his defensive time.

IMG SOURCE: Google

In one-on-one situations, he gave Anthony Gordon little room to turn, had the presence of mind and agility to nip in with brilliant touches, and even had a Cruyff turn to ensure Chelsea's own play stayed fluid.

IMG SOURCE: Google

Even after a brilliant last-ditch challenge in the first half that cleared Chelsea's lines, Koulibaly was admonished by Thiago Silva about how to position himself within the back three.

IMG SOURCE: Google

The Brazilian is one of the few players with more experience than his new colleague, and the 90 minutes were not without stern looks when other Chelsea stars' mistakes forced him to run to save the club.

IMG SOURCE: Google

The defender was unable to complete 90 minutes owing to cramp, and with a hectic schedule ahead, Chelsea's coaching staff will have to make sure he is up to speed, since there are signs he will be a vital cog.

IMG SOURCE: Google

Jorginho's penalty separated the teams, but Silva and Koulibaly held a bustling, albeit unsuccessful, Everton frontline at bay.

IMG SOURCE: Google

Chelsea's strength at the start of last season was maintaining clean sheets, and a win without surrendering a goal at Goodison Park is a great start from a lethargic performance.

IMG SOURCE: Google

Son Heung-min and Harry Kane will be at Stamford Bridge next week, and a flawless performance may be necessary.

IMG SOURCE: Google

Chelsea wants to pick you up, rip you apart, and play through you, but we never let them do it until for one brief moment of focus; a minor error on our behalf.