After spells with Blackburn Rovers, Chelsea and Newcastle United, the 35-year-old moved to Craven Cottage in
Duff has made 173 appearances in all for the west London cide, although February's appearance off the bench in the FA Cup fourth-round exit to Sheffield United looks to have been his last for the club
A knee injury has brought this campaign to a premature end and, once recovered from surgery, he is planning to move in search of "something new" at the end of his contract.
"I'm up at the end of the season," Duff told the Irish Times. "The club haven't spoken to me and I haven't spoken to the club but we don't need to speak: I'll be leaving Fulham. I've had a great time here but that's football.
"I've had a few whispers from here and there but I'm just trying to get this [injury] right first.
"I've looked at the
Duff would like to do a "year or two elsewhere" before plying his trade in the
"We've had a bit of banter all right," he said. "He obviously loves it and every six months I see he's signed a new deal so he'll be there for a good while yet.
"We'll see what happens but I wouldn't mind trying it to be fair but I have to get back fit first, I've got a screw in my knee now and a screw in the knee of a jinky winger doesn't really go hand in hand but we'll see what happens.
"We'd be up for it and we'd like to see the world but it wouldn't be for a jolly up. I'm still as hungry as ever."