Sunderland are following Panathiniakos midfielder Sotirios Ninis.
The Greece international, 21, has long been admired by Manchester United boss Sir Alex Ferguson.
Sunderland scouts have recommended Ninis to manager Martin O'Neill as he contemplates losing Stephane Sessegnon in the summer.
The Benin dazzler is a big money target for Arsenal and Liverpool.
Football Is Life
Share The Love
Stay in touch with Tribal news, updates and special offers direct to your inbox