Stefan Kiessling could leave Bayer Leverkusen in the winter, his agent has said, with reports linking the forward with a possible move to Liverpool.
Kiessling, 31, has scored 123 goals in 297 Bundesliga appearances for Leverkusen since joining from Nurnberg in 2006.
But the former Germany international has dropped down the pecking order since the arrival of Javier "Chicharito" Hernandez from Manchester United in the summer.
He has scored only once in the Bundesliga so far this season, and has rarely played the full 90 minutes in games he has started.
Kiessling has previously rejected offers from Liverpool, as well as clubs in Turkey -- but agent Ali Bulut told Express that could now change.
"Stefan and I will sit down with club after the first half of the season to discuss his situation and find a solution," he said.
Express said Liverpool manager Jurgen Klopp, who had been interested in bringing Kiessling to Dortmund after the departure of Robert Lewandowski to Bayern Munich, could now try to sign him for the Reds.
Kiessling was substituted at half-time as his side lost 3-2 at Roma in the Champions League in midweek.