Following a goalless first half, Unai Emery's side took the lead four minutes after the restart when Louis Poznanski diverted Pierre-Emerick Aubameyang's cross into his own goal before Robert Lewandowski equalised with a fine header.
Nketiah scored the late victor, from a John-Jules assist, and there was also an impressive performance from midfielder Joe Willock, who will expect to receive more competitive first-team minutes this season.
In Arsenal's first pre-season game of their USA tour, a whole host of younger players featured from the start and were able to make themselves known throughout.
Against Bayern, Joe Willock featured from the beginning and was impressive, while Emiliano Martinez will have caught Emery's eye too.
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Xbox Game Pass subscribers only need to search for " Gears 5 " on Xbox One or PC, depending on the type of subscription. You'll also earn skulls for kills and assists, and you'll use these to buy new weapons and upgrades.
Arsenal won their second straight game on their United States tour, but the Bundesliga champions gave them a stiffer test than the Major Soccer League's Colorado Rapids who they routed 3-0 on Monday.
Arsenal return to pre-season action on Saturday when they play Serie A side Fiorentina.
"Will I rely more on them? Things have already been done, but we need more".
"Players like Hernandez and Benjamin Pavard can only help us". Against Colorado Rapids on Monday we played a lot of young players.
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Joe Jonas , actor, singer and husband to the 23 year old also congratulated the star on social media. Turner was among one of the nominees for essaying the role of Sansa Stark in the popular series.
"Our responsibility in this club for the history, present and future is to give young players chance".
"Ryan is very happy to have pledged his global future to Ireland". The competition itself brings together some of the biggest clubs in the world to put a twist on a regular pre-season. Our objective was to take rhythm, take minutes and have confidence playing.
"We have to wait for more transfers to come in".
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