Jeremain Lens admits he's unhappy with his situation at Sunderland and has not ruled out leaving the Stadium of Light in January.
Lens was left out of Sunderland's squad for last weekend's defeat at Chelsea for disciplinary reasons following an incident at the end of the loss against Watford seven days earlier.
The Dutch international - who spent part of last week training with the Under-21s - has not started for Sunderland since October's Wear-Tyne derby, with Sam Allardyce expressing concerns over the 28-year-old's work-rate.
And that could prompt the £13million summer signing to consider his future next month, albeit he is unlikely to join Dutch leaders Ajax.
Lens told Fox Sports: "It’s definitely annoying.
“I do not play and I did not come to the Premier League to sit on the bench. Something has to change. What, we will see though.
"A transfer in the winter? That could happen. Once the window is open, we will see what will happen."
However, Lens insists he knows nothing about reports that he will be fined two weeks wages for the incident after the Watford game.
All Allardyce would say over Lens' absence last weekend was that the winger had been left out for "disciplinary" reasons.
Lens added: “I know nothing (about the fine).
“No one has spoken to me. I read in the media that I have to pay a fine. Nothing else is said.”
On whether he would pay the fine, Lens said, “I first want to hear why, then I will determine whether I therefore agree.
"There is what happened after the game, but that I discuss in private."