Claudio Pizarro would consider a return to Chelsea but only if he is assured of first-team football.
The Peru international striker (pictured) is on a season-long loan with Bundesliga side Werder Bremen and is not prepared to return to the Stamford Bridge bench.
The 30-year-old said: "I need to play. I am not 22 or 23-years-old and prepared to say I will go to Chelsea to be on the bench. I am in good form to play, not to be a substitute."
Pizarro is prepared to wait until the end of the season to make a decision but believes he has unfinished business in the Barclays Premier League.
"The English league is not a finished chapter, but I would have to think about going back to Chelsea," he added.
"I want to play and win titles. If I am given an offer, I would think about that, but I am not in a hurry."
Pizarro, who played for Werder Bremen between 1999 and 2001, scoring 31 goals before moving to Bayern Munich, has not ruled out staying at the Weserstadion.
"It is a possibility," he added. "I love this city, their people, the new guys I’ve met, the coach and the board."