Original Adidas football shirt AFC Ajax 2017/18

During the 2017–18 season, Ajax participated in the Eredivisie and the KNVB Cup. They also participated in the UEFA Champions League and the UEFA Europa League but couldn't get past the qualification stage for either competitions. This marked the first time that Ajax did not qualify for the group stage of a UEFA club competition since the 1990–91 season, when they were excluded from competing in European football for a year due to the staafincident. The squad's first training took place on 29 June 2017.