Substitute Clinton Njie scored a last-gasp winner as Marseille recorded a 2-1 victory over Bastia in their final game before the winter break.In-form striker Bafetimbi Gomis put Marseille in front after eight minutes when he turned Remy Cabella's pass beyond Bastia goalkeeper Jean-Louis Leca.Bastia then levelled things up in the 83rd minute when Alexander Djiku found the back of the net.But the visitors snatched all three points when Njie, who stepped off the bench in the 89th minute, scored in the first minute of added time. ends