Liverpool striker Divock Origi is a transfer target for Marseille.
But the French club also have Leicester's Islam Slimani and Moussa Dembele of Celtic on their hitlist after a terrible start to the season.
Marseille have already spent nearly €50m this summer, including bringing back keeper Steve Mandanda from Crystal Palace. But they have failed to land a top striker after a pursuit of Olivier Giroud.
Sunday's 6-1 thrashing at Monaco has hastened the need to strengthen the squad.
Liverpool bought Belgian Origi for £10m from Lille in 2014 before loaning him back for a year.
He scored 11 goals last season but has made only one appearance from the bench so far in this campaign.
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