But Emery says he's not quite ready to feature against Man Utd on Monday.
"He needed to take minutes and confidence".
Holding and Bellerin haven't performed any first-team soccer after struggling critical respective knee accidents in December and January whereas Tierney, who underwent a double hernia operation in Might, has additionally not but made his full Arsenal debut.
"But he came here and we were waiting and watching him, how he could improve with us".
Rob Holding also made his long-awaited return to action on Tuesday and getting a host of defenders back at once could help Emery steer what has so far been an inconsistent season back on track.
He said: "It was an opportunity for different players to take confidence, to take minutes".
While he's hardly going to speak out against his boss, especially as he looks to return to the side after a lengthy lay-off, Holding insisted it is a method that he favours, with shared responsibility across a number of players.
"I spoke with him and told him to have some patience for his opportunity to do like he was doing".
"The muse is to present them minutes if we can", acknowledged Emery.
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Trump said Monday that he planned to speak about Iran , but he declined to preview specifics despite several opportunities. Details of future deployments to Poland are still being worked out, Trump said , but "Poland has borne the expense".
"He knows Arsenal perfectly, the young players, he helps us every day in training, the matches and before".
"He played very well".
"We deserved to lose but five, for me, is too much", said the Frenchman.
Unai Emery's side head into the game in 4 place after winning three, drawing two and losing one in the league this campaign.
With nearly the last kick of the ball, Martinelli then got his second after scoring a beauty in the top corner from the edge of the box.
"He fights, he is hungry to have that opportunity to help us and his work was ideal tonight".
"Congratulations to Arsenal and good luck for the rest of this competition".