In recent matches, Sirius has shown vulnerabilities in defense, resulting in unnecessary goals conceded. The team's current formation, often a 4-2-3-1, has worked well offensively but has also exposed the center backs to counter-attacks. Focusing on strengthening the defense by considering a 3-5-2 setup could be a valuable change. This formation would provide extra support to the center backs and create more opportunities for wing backs to participate in the attack.

To maximize the effectiveness of this formation, it would be crucial for the midfielders to read the game better and quickly regain possession upon loss. A more dynamic role for the central midfielders would help close the gaps that often appear in the midfield when the team pushes forward. Additionally, Sirius should consider adjusting their pressing game to be more organized defensively and prevent opponents from having time and space to create chances.

Another key to strengthening the defense is to work on the communication between the goalkeeper and the backline. A stable collaboration here can reduce the number of mistakes and misunderstandings that often lead to goals conceded. Having a clear leader in the defense, who can direct the defensive play, would also be important for regaining confidence within the team.

Sirius has the potential to regain its defensive strength, but it requires the coaching staff to make bold decisions and implement these tactical adjustments. Working on these aspects during training will be crucial for the team's success in the upcoming season.