[4] There were significant changes to the playing squad ahead of the season, and key players the previous years left the club for undisclosed fees, including Mads Hermansen to Leicester City, Anis Ben Slimane to Sheffield United, Simon Hedlund to IF Elfsborg, and Blas Riveros to Talleres.
Notably, Nicolai Vallys made a significant impact in the attack, scoring six goals in the first eight games of the season and earning the Danish Superliga Player of the Month award for August and a call-up for the Denmark national team.
[20] Additionally, their journey in the Danish Cup came to an end in December, bowing out in the quarter-finals with a 3–2 aggregate loss to AGF, despite securing a 2–1 home win in the second leg.
[21] During the January transfer window, Brøndby strengthened their defense by acquiring Jordi Vanlerberghe from Belgian Pro League club KV Mechelen and signing Denmark youth international Filip Bundgaard from Randers.
[24][25] Brøndby began 2024 with two league wins, with Patrick Pentz achieving clean sheets in 1–0 and 3–0 victories against Midtjylland and OB, including a penalty save in the former.
[28][29] A last-minute goal by Sean Klaiber, assisted by Jacob Rasmussen, secured a 2–1 away win over Copenhagen on the first matchday of the championship round, putting Brøndby in first place.
[31] Despite another Suzuki goal in a draw against Nordsjælland, Brøndby lost ground in the title race on 5 May with a 3–2 away defeat to Midtjylland, their first loss in 19 league games.
[33] They bounced back with wins against Nordsjælland and Silkeborg, putting them in a position to secure the league title on the final day, leading Midtjylland by goal difference.