The 20-year-old midfielder, who was recently handed the No10 shirt by Wenger, missed the whole of last season with foot and ankle injuries but now finally looks set to be on course for a return to action.
“We are so pleased that Jack is back in full training,” Wenger said. “It’s been 14 months and that’s a long time for someone at his age. It’s an eternity, but it’s great news.
“We have to give him a few training sessions to see how he copes and responds to it. That’s the delicate, sensitive stage – to choose when to bring him in and out. We’ll have to handle that day-by-day.
“We also have Emmanuel Frimpong who has returned to full training this week, which is great news as well. Emmanuel has also been out a long time, but is progressing well.”
Wenger’s Arsenal take on defending Premier League champions Manchester City at the Etihad Stadium on Sunday.
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