We said: Panathinaikos 1-2 Marseille
Marseille have undergone a significant attacking transition this summer, and Marcelino's new forwards may take some time to gel with one another, offering Panathinaikos hope of a positive result on home soil.
The Greek giants can be expected to breach the Olympiens' backline at least once, but Marseille still boast a host of players with plenty of continental nous, and the visitors should take a first-leg lead back to base.
Read more.Data Analysis
Our analysis of all available data, including recent performances and player stats up until an hour before kickoff, suggested the most likely outcome of this match was a Marseille win with a probability of 38.16%. A win for Panathinaikos had a probability of 33.88% and a draw had a probability of 28%.
The most likely scoreline for a Marseille win was 0-1 with a probability of 11.6%. The next most likely scorelines for that outcome were 1-2 (8.02%) and 0-2 (7.08%). The likeliest Panathinaikos win was 1-0 (10.77%), while for a drawn scoreline it was 1-1 (13.14%). The actual scoreline of 1-0 was predicted with a 10.8% likelihood.