The winners of the inaugural Nations League will be crowned on June 9, but Southgate will need to prepare for those decisive clashes without players bound for the Champions League final.
"And with the emotion of (the Champions League final), can those players even realistically play on the Thursday night for us?"
"With the others, Juventus can play on equal terms".
Ajax, Barcelona, Juventus and Porto complete the quarter-final line-up, and Milner hopes as many English teams as possible make the last four.
United's unexpected victory over PSG also ensures that they will be regarded as a unsafe outsider in Friday's draw, but while it's inevitable that the focus will be on the prospect of a first English Champions League victor this season since Chelsea in 2012, it would be wise to consider the threat posed by Messi and Ronaldo, with Barca and Juve respectively, to Premier League ambitions.
Jussie Smollett pleads not guilty to lying about attack
We'll continue to keep you updated as we're sure we'll be hearing more about the case ahead of his upcoming April court date. Gloria Schmidt , the attorney for the brothers allegedly involved in the incident, was also seated in the courtroom.
Former Blaugrana coach Pep Guardiola's team are one of the favourites to win the title and Manchester City have the quality between the four lines, as well as on the bench, to reach the Estadio Wanda Metropolitano final.
When he was told after the 3-0 win, which secured a 3-2 aggregate victory for the Italians, that Juve had never managed such a comeback in the Champions League, Ronaldo said, "Maybe that's why they signed me".
It is the first time since the 2008/09 season that all four English teams qualified for the final eight.
"Every team left in the competition is a good side", said Milner.
"They deserve to be there and we know they will be tough teams".
But Sherwood thinks that while they may have more games to play by remaining in both competitions, they are right not to prioritise.
Former Manchester United manager Jose Mourinho would like to see two all-English quarter-finals in the Champions League.