This looks like a fairly even match, and we expect the opening leg to play out that way between two sound defensive units, but no one having a decisive edge.
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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 Atletico Mineiro win with a probability of 41.51%. A win for River Plate had a probability of 30.99% and a draw had a probability of 27.5%.
The most likely scoreline for an Atletico Mineiro win was 1-0 with a probability of 11.91%. The next most likely scorelines for that outcome were 2-1 (8.47%) and 2-0 (7.78%). The likeliest River Plate win was 0-1 (9.94%), while for a drawn scoreline it was 1-1 (12.97%). The actual scoreline of 3-0 was predicted with a 3.4% likelihood. Our data analysis correctly predicted that Atletico Mineiro would win this match.