The supporter protests began outside the stadium 45 minutes before kick-off and ended with a noticeable number of fans filtering in after nine minutes – to mark the number of ticket partners the club has globally.
It meant they had to be told of Grealish’s goal.
It was a simple effort, swept in from Savinho’s cutback, and Grealish looked like he enjoyed it.
Operating in the number 10 role behind Marmoush, he took up some intelligent positions and, albeit against limited opposition, was effective.
We will not find out until Sunday whether Guardiola was merely rotating his squad so they have the best possible chance of avenging December’s surprise Manchester derby defeat.
However, it was already known a big decision needs to be made around the future of the £100m England international, who still has two seasons left on his contract.
Guardiola has repeatedly stated the form of Savinho and Jeremy Doku has made it hard for Grealish to force his way into his team. But he has also suggested he wants more from the former Aston Villa man – and goals are an element of that.
On that metric, Marmoush’s £59m January move from Eintracht Frankfurt has been a success.
The 26-year-old now has five Premier League goals – all of which have come on home soil. He twice came close to a sixth, but had one effort saved, then ran into a wall of defenders rather than finding space to shoot inside the area.
In an otherwise non-event of a second half there was a welcome return for Norway international Oscar Bobb, who fractured his leg in training on the eve of the season, then suffered an ankle injury in February as he closed on his comeback.
