"This win is good for our confidence and we have to fight 'til the end", Matic said after the game. We needed to score the second, third and fourth when we had the chance.
This weekend Arsenal face a pivotal trip to Wembley to take on Spurs and defeat would leave them with a mountain to climb to finish above their north London rivals this season.
And after the game Guardiola said much the same, insisting he preferred to give his youngsters game time with the second team rather than let them take the final seat on the bench.
Raheem Sterling suffers nightmare miss.
Chile worldwide Alexis Sanchez, lured away from Arsenal during the January transfer window, scored Manchester United's second of the game to open his account for his new club and also made three key passes for his team in their 2-0 win over Huddersfield. Today he missed one chance.
"Maybe [we could have brought a young player] but we decide they are not going to play because before them we are going to play Yaya or Zinchenko or the other ones and I made a decision to let them play with the second team". I give top marks to everyone for the way we played this game and handled a really tough away game.
Of all the midfielders at English sides in the Champions League, only Manchester United's Nemanja Matic has played more Premier League minutes than De Bruyne this season.
It looked like winning the Europa League was going to be Arsene Wenger's best option to get the club back in to Europe's elite competition and they have a very winnable last-32 tie against Swedish minnows Ostersunds coming up this month. They are injured so I would like to have 18 players.
Before the actual football, it's time for the steamy foreplay I like to call "the team news".