Kammala wannan jumla: A ranar 17 ga Yuli 2017, Willems ya koma Eintracht Frankfurt don maye gurbin Bastian Oczipka, wanda, a biyun, ya koma Schalke 04. A cikin sharuddan da ke sama, an ba da shawarar cewa a cikin sharuddan da aka ba da shawarar a cikin sharuddan da aka ba da shawarar a cikin sharuddan da aka ba da shawarar a cikin sharuddan da aka ba da shawarar a cikin sharuddan da aka ba da shawarar a cikin sharuddan da aka ba da shawarar. Willems ya buga wasanni 29 a lokacin kakar 2017-18, wanda ya hada da nasara a kan Bayern Munich a cikin
Ƙarshen gasar Jamus.