As he watched Cole Palmer smash a penalty past Caoimhín Kelleher to secure his first three points at Chelsea, Liam Rosenior may have briefly wondered why such a fuss is made about Premier League management.

The 41-year-old calmly exchanged low fives on the bench with members of his coaching staff before springing to his feet and pointing to his temple, imploring his players to keep their heads and close out the remaining 15 minutes, which they achieved with minimal trouble.

The preceding 75 had been far from straightforward however, and with better finishing Brentford could have secured at least a point rather than suffering their first defeat in six. The visitors spurned three good chances before João Pedro gave Chelsea the lead with a video assistant referee-assisted goal in the 26th minute, and again in the second half, with the game in the balance until Nathan Collins’ calamitous back-pass led to Kelleher fouling the substitute Liam Delap, with Palmer making no mistake from the spot.

Given Chelsea’s tumultuous start to the year this was one of those games where it was only the result that mattered, which is just as well given elements of their performance. As in last...