The Liverpool, leader of the English Premier League, or the Manchester United Jose Mourinho, are two of the strongest rivals that could be lucky Real Madrid or to FC Barcelona in the draw for the knockout stages of the Champions League.
When finishing first of their respective groups, Madridistas and culés will have 'a priori' a rival of smaller entity in eighth of end, and will avoid to other 'giants' like the PSG, Manchester City, Juventus, or the Bayern from Munich.
The German Schalke 04 or the French Lyon are postulated as the most affordable rivals for the seeds.
The round of 16 draw It will be Monday from 11h00 GMT in Nyon (Switzerland).
In one of the drums will be the eight heads of series, and in the other eight seconds of the group stage.
Two teams from the same country will not be able to face each other in eighths, nor two that already coincided in the same group of the first phase.
The first leg matches will be played on 12-13 and 19-20 February, and the return on 5-6 and 12-13 March.