Unai Emery has promised to give more youngsters a chance this season after a late win over Bayern Munich.
Arsenal striker Eddie Nketiah scored an 85th minute winner after teenager Tyreece John-Jules set up the chance with a perfect cross.
Emery insists that it is important to play kids because it is part of the club’s history and tradition after Arsenal began the pre-season tournament International Champions Cup tournament with a win.
Gunners boss Emery said: “Our responsibility in this club for the history, present and future is to give young players chance. If they deserve minutes they’ll get minutes. I’m very happy with them and their work.
“We are going to play against Fiorentina on Saturday and will use young players. It’s another chance for them to show us how they can respond.
“For them it’s important that each match and each training they give us their performance and energy. We have the responsibility with the young players to give them chances.
“We want to use different young players to help. Some players will be with us in pre-season, some players will be with us in the season.
“Each minute they show their performance against big players. For example the one-to-one [Eddie] Nketiah against [Niklas] Sule showed how he can respond. Today was very positive.
“It depends on their performance. Against Colorado Rapids a lot of young players played.
“We need them for the moment but also in the future.”
Reiss Nelson also came on as a substitute against Bayern while Joe Willock was hugely impressive in midfield.
Pierre-Emerick Aubameyang’s deflected cross put Arsenal ahead before Robert Lewandowski levelled only for Nketiah to win it late on.
Young striker Nketiah is a loan target for Bristol City.