What the Arsenal fanbase viewed as lack of budget and ambition from owner Stan Kroenke led many to protest his ownership with the social media hashtag "#WeCareDoYou".

[6] Arsenal released first-team players Stephan Lichtsteiner, Aaron Ramsey, and Danny Welbeck, sold David Ospina, Takuma Asano, Laurent Koscielny, Carl Jenkinson, Alex Iwobi, and Nacho Monreal, and loaned out Eddie Nketiah, Mohamed Elneny, Henrikh Mkhitaryan, Emile Smith Rowe, and Konstantinos Mavropanos.

Arsenal started the Premier League with a 1–0 win against Newcastle United, and continued a consistent form of results, standing third at the table at the time of the October international break, as well as advancing to the fourth round of the EFL Cup.

However, their results began to deteriorate, losing to Liverpool in the fourth round of the EFL Cup and winning only once in 9 games since the end of the international break.

He led Arsenal to the round of 32 in the Europa League, but had only won once in 5 games, and was replaced on 20 December by Manchester City assistant coach and former captain Mikel Arteta.

However, victories in the FA Cup against Sheffield United in the quarter-finals and Manchester City in the semi-finals put Arsenal in the final, where they beat Chelsea 2–1 on 1 August to win their only silverware of the season and gain qualification to the Europa League.