Olympique de Marseille continued their disastrous journey in the Champions League with a new defeat, the fourth in four days of competition, against Porto (0-2).
At the Stade Vélodrome, the Phocéens conceded a first goal through Samusi (39th) despite an honorable performance in the first period.
The Portuguese, reduced to ten after the expulsion of Grujic (67th), scored a second goal from the penalty spot by Sergio Oliveira (72nd).
OM can no longer qualify for the knockout stages of the Champions League but can still dream of a third qualifying place for the Europa League despite its last place, three points behind Olympiakos, third.
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