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