Palmer is a conundrum that Rosenior still looks to be figuring out. The midfielder has played four games under the new head coach, although intriguingly he's been left on the bench for arguably the two most difficult fixtures so far – away at Napoli and Arsenal.

In Naples, Palmer showcased his brilliance off the bench with two assists, taking advantage of extra space when the game had slowed down. He was given half an hour to do the same against Arsenal on Tuesday, but found it tougher to make an impact against the meanest defence in the country.

In the very early days of Rosenior's tenure, Palmer has pivoted more towards being a playmaker.

His touches per 90 minutes of 63.5 are up compared to his Chelsea average of 59.7, with his touches in the box of 1.8 way down on the 4.7 he's averaged with the Blues so far. In his 255 minutes of football under Rosenior, Palmer has only touched the ball in the penalty area five times.

A more withdrawn attacking role has not meant an uptick in creative numbers yet. Palmer's average chances created per 90 minutes are down from...