The 2005-06 campaign delivered a hard-fought, successful survival for Arminia Bielefeld as Die Arminen secured their Bundesliga status with a crucial 13th-place finish. Leading the charge was the Ghanaian centre-forward Isaac Boakye, whose 8 crucial league goals were a consistent source of threat and proved decisive in the fight against relegation. The season was built on the team's defensive resilience and marked the establishment of key players like Heiko Westermann and veteran Rüdiger Kauf, ensuring the club maintained its hard-won position in the top flight.