Previously, Dortmund officially announced that forward Gitense had transferred to Chelsea, and Gitense also expressed his gratitude to Dortmund and others on InS.

Gittens wrote: "After five years of wonderful time, it is time to start a new chapter in my career."

"I came to Dortmund at the age of 16. From the first day, the club has been full of confidence in me, giving me room to grow, and allowing me to grow in both players and people. I have learned a lot in the days here, and I will always be grateful for it."

"Thanks to all teammates, coaches, staff and the team behind the scenes for the support and guidance, as well as fans, since my debut, you have given me endless love. You have made me understand the uniqueness of this club, and I will always remember it in my heart."

"I wish you all the best in the future, Dortmund will always be my home."