The 20-year-old has been with the club since he was eight, as he was spotted by scouts playing for his local team Greenford Celtic.
"I think Arsenal was always the one I wanted to go to," he told Sky Sports.
"It seemed like they had a lot of faith in their youth and there was a clear pathway when you could see the players coming up from Hale End to London Colney and my dad also really believed in the project, and he loved Arsene Wenger.
"I think Arsenal was the club in the hearts of my family, so we chose them."
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