German Sky Sports reporter Patrick Berger posted a report on the situation of Dortmund striker Bayer.
reporter said: "Brentford remains highly interested in Bayer. According to German Sky Sports, Dortmund sports director Sebastian Kyle has negotiated with Brentford sports director Phil Giles."
"The other party has submitted a formal offer to Dortmund by email, the amount is said to exceed the rumored 70 million euros, but Bayer himself has no interest in Brentford."
"If there is no accident or the top club takes action, the striker will stay in Borussia Dortmund. Despite the recent reduction in playing time, he is still determined to prove himself."