"If you lose four of the last five games, it's not good enough. And that's why, for me, it's now time that we change things, that I change things, and that's what I will do."

So said Nottingham Forest head coach Oliver Glasner after seeing his side lose at Brentford last weekend, despite having twice as many shots as their opponents (15 to seven) and three times as many attempts from inside the penalty area (nine to three).

For the seventh time in nine matches in this Premier League campaign, Forest outperformed the opposing team in terms of xG, yet they have turned that dominant stat into just one win and six points in total.

Forest, who have yet to score at home in any competition this season, have scored just six Premier League goals from an xG total of 14.34, an under-performance of 8.34 goals.

That's comfortably the worst differential of any team this season, and the biggest under-performance by a side after nine Premier League games since at least 2021-22, when Opta introduced its revamped xG model.

It is the problem Glasner has to solve – the Austrian, who is the fifth man to take charge of Forest since the start of last season, is confident of doing so but is well aware that if he can't, owner Evangelos Marinakis may well once again act sooner rather than later.

"I will tell what we want to do, what we have to do," said Glasner. "And if the players buy in, I think we can have a turnaround. And if not, the sixth manager will come in."

Manchester City got back to winning ways in Europe in midweek after a three-game spell that included two league defeats and needing penalties to get past Brighton in the Carabao Cup.

With Arsenal taking full advantage of City's stutter, Enzo Maresca's side will need to start putting aside their recent unconvincing form, especially with a league game against the champions looming at the end of the month.

City are comfortably outscoring Arsenal but they have conceded twice as many goals as the Gunners in the Premier League, while they have looked vulnerable defensively.

They haven't kept a clean sheet in their past seven matches, conceding 14 times, and have suffered several high-profile lapses at the back.

"We are creating many chances in each game but we need to avoid silly goals," said Maresca after City's victory in midweek, in which Gianluigi Donnarumma was caught out at his near post, one of several errors the Italian keeper has made this season.

"At the moment, I'm not thinking about the goalkeeping situation," added Maresca, who insists Donnarumma's form "is not a concern".