According to Globo.com, the group representing Rayan analyzed that development and playing time would be possible at Borussia Dortmund, but the German club did not make an offer with figures that satisfied the parties involved. While Rayan has attracted interest from Borussia Dortmund, no club has come closer to signing him than Bournemouth.

ESPN BR reported that Rayan received a concrete approach from Borussia Dortmund in recent weeks.

Globo.com has reported that Borussia Dortmund is interested in signing Rayan.

Borussia Dortmund and Bayern Munich have expressed interest in Vasco da Gama's 19-year-old player Rayan and have made initial contact. The forward's release clause is 80 million euros, but Vasco would be open to a sale for approximately 50 million euros. It is reported that Vasco rejected a €31 million offer from Zenit and a €25 million bid from Porto.