According to Sport, the two Premier League clubs are considering a move for Hakim Ziyech, but Dortmund have already made an offer.
The Morocco international has been an integral part of Ajax's stunning run to the Champions League semi-finals.
The 26-year-old set up Donny van de Beek's goal against Juventus on Tuesday night night – the latest in a string of influential moments this season.
With 19 goals and 20 assists in all competitions, Ziyech is hot property and Everton and Arsenal have taken an interest.
But it is Dortmund who lead the way for his signature according to the report, having reportedly tabled an offer already.
Get the best features, fun and footballing frolics straight to your inbox every week.
Thank you for signing up to Four Four Two. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.