The 2017-18 campaign was a tense and crucial season for FSV Mainz 05 as Karnevalsverein ultimately secured their Bundesliga status, finishing a vital 14th for their ninth consecutive year in the top flight. Spearheading the attack was the tenacious Japanese international Yoshinori Mutō, whose 8 goals were absolutely vital in the battle against the drop. The season also delivered a notable run in the DFB-Pokal, where they fought their way to the quarter-finals, and provided moments of home triumph like the memorable 3-0 victory against Leipzig. This hard-fought year, defined by the club's resilience and determination to maintain their top-tier position, remains a defining chapter in the history of Die Nullfünfer.