The Opta SuperComputer has predicted the four teams that will qualify for the UEFA Champions League semi-finals.
The second legs of the quarter-final fixtures will be played this midweek.
In the first leg played last week, Arsenal won 1-0 at Sporting, Real Madrid lost 2-1 at home to Bayern Munich, PSG claimed a 2-0 home win over Liverpool and Atletico Madrid stunned 10-man Barcelona 2-0 at the Nou Camp.
Opta has not given any of the losing teams from last week more than a 21.1% chance of overturning their deficit.
Arsenal have an 88% chance of making the final four, while Bayern have an 83.4% of qualifying.
PSG have been given an 85.6% chance and Atletico’s chances are rated 78.9%.