The trio of youngsters were making wither their full or Champions League debuts last night.
Arsenal put the misery of the Stoke defeat at the weekend behind them last night as a mixture of back-up players and first-teamers took the sword to Galatasaray in a 4-1 triumph.
The Turkish side never truly looked in the game and Lukas Podolski's double sandwiched a wonderful display from Aaron Ramsey, whose own brace included one of the best goals in the Champions League this season.
But Arsenal had already qualified, sadly in second place after Borussia Dortmund defeated plucky Belgian side Anderlecht.
But with Arsenal through and a tough fixture period coming up Arsene Wenger used the opprotunity to give some of the promising youngsters a chance for first-team football.
At half-time he brought Gedion Zelalem into play for Mathieu Flamini and Ainsley Maitland-Niles replaced two goal hero Ramsey. Stefan O'Connor then replaced the returning Mathieu Debuchy in the 77th minute.
It meant Arsenal gave first-team debuts to two players in Maitland-Niles and O'Connor and a Champions League debut to the German midfielder Zelalem, who has previously played in the FA Cup for Arsenal.
It is reward for the trio being regular members of Arsenal first-team training and an indication of hope from the Arsenal boss in their future development.
Of course this is no guarantee of a future in the Arsenal first-team. Just ask the likes of Jernade Meade or MArtin Angha, who faced Olympiakos in similar circumstances two years ago. Neither remains at Arsenal.
But it must have still been an excellent experience for the trio.
Here are some snaps of their respective debuts.