Daily Sports says Byno-Gittens, 19, is an option for Barcelona this summer.
Advertisement
Advertisement
The English youngster caught the eye of Barca scouts last season.
Bynoe-Gittens responded to the support of former BVB coach Edin Terzic with a goal and six assists in 25 appearances in the Bundesliga.
The winger's contract with Dortmund extends to the summer of 2028.