Angel Di Maria proved the scourge of his former club as he provided assists for Presnel Kimpembe and Kylian Mbappe in a 2-0 loss to PSG that could have been worse had David De Gea not been alert when his team-mates lost their discipline after going behind.
Paul Pogba's sending off compounded a bad night for United, but midfielder Herrera was not getting too downhearted after their fine, unbeaten 11-game run came to an end.
" We're happy, but it's only half-time in the tie and we need to continue preparing well, because I think in the last 20 minutes we dropped off a bit physically."
"When you are at home and lose the battle in midfield, you are always in trouble".
We have seen them start to play at their expected level in the Premier League, which has brought them some fantastic results but, as we saw, the last 16 of the Champions League is another step up in class.More news: Lloyds Customers Locked Out From Bank’s Online Banking Services
United won at Juventus in the group stage under Jose Mourinho this season, before securing impressive victories at Tottenham and Arsenal with Solskjaer.
"There's a three-week period now and anything can happen before the second leg".
'Verratti I've seen play many times and he's wonderful to watch but Marquinhos - who obviously is a centre-back by trade but I know has been playing in central midfield - that's the first time I've seen him play central midfield live.
"They were outclassed. PSG were the better team and the tie now looks beyond Manchester United".
"But I wasn't disappointed tonight because they played against a team who played a fantastic match".More news: British Defence Minister warns Russian Federation about high price for provocations
"I can't do anything about Alexis Sanchez", said the Norwegian. First, Matic abandoned his marking duties at a corner to allow Kimpembe to put PSG in front before the hosts were caught out by a swift counter-attack, and were made to pay by Mbappe. We were pressing quite good, so after the goal they were finding those gaps that they couldn't find in the first half.
'But this is football. "We are working hard for it".
"The difference technically and speed of understanding of the game between the two teams was huge and became bigger as the game went on". The top four is one thing but we want to be at the top and Manchester United should be at the top.
Solskjaer has urged his players to bounce back quickly, and they have the chance to do so when they travel to Chelsea in the FA Cup fifth round on Monday.
"I thought United were affected by the substitutions at half time".More news: United Kingdom government being sued by Eurotunnel over no-deal Brexit ferries contract
Solskjaer launched his spell at the helm with an inviting run of fixtures, and a trip to Crystal Palace, who now sit just three points clear of the relegation zone, could prove welcome after games against PSG, Chelsea and Liverpool.