The 37-year-old is expected to leave current club New York Red Bulls after a four-year stay and the American club's Head of Global Football Gerard Houllier has fuelled rumours of a return to his native France.
He said: "We would love to keep him but it will also depend on him. He never seemed to get old and continues to score goals.
"Could he play again in Ligue 1? Absolutely, no problems."
For the big stories and the banter follow us on Twitter: @tribalfootball