Julian Brandt trained together with Kai Havertz at Bayer Leverkusen on Thursday.
Leeds United have submitted a registered bid for the free agent.
Negotiations with Leverkusen over Brandt’s contract remain ongoing.
Leeds are understood to be at the forefront of the race to sign him before his contract expires.
This comes as multiple reports confirm the English club’s ongoing pursuit of the German midfielder.
Both clubs are said to be considering their options thoroughly.
Brandt’s versatility and pace have drawn interest from several European teams.
Leeds’ manager praised the German's creativity and effort.
If the deal goes through, Brandt could join the English side before the summer window closes.
Fans are already wondering about his likely role in the midfield.
The transfer could also release funds for Leeds to strengthen other areas.