Borussia Dortmund are eyeing Chelsea winger Kevin De Bruyne.
The Belgian has shone on-loan with Werder Bremen this season and his future will depend on the next managerial appointment at Chelsea.
BVB are among Bundesliga clubs monitoring developments, along with Werder and Bayer Leverkusen.
"We want to establish a deeper squad for the next year to be on the move again in three competitions," declared BVB chief Michael Zorc.