Nacho Monreal believes that Hector Bellerin has "a great career ahead of him".
The teenager has established himself in the first-team squad this season and produced an assured display against Hull City at the weekend.
Monreal was impressed with his compatriot's Premier League debut but left Emirates Stadium frustrated not to claim all three points.
"He's been training with us all season, so we know exactly what he can do and what type of potential he has"
"It's a game which feels like we've lost two points, rather than won one," Monreal told Arsenal Player. "I thought we were very superior throughout the whole match, and we did all we could to get the three points.
"Hull took their chances well but we're leaving with a bit of a bitter taste in our mouths.
"[Hector] had a great performance," he added. "He's been training with us all season, so we know exactly what he can do and what type of potential he has.
"He took his opportunity in pre-season and he did it again on Saturday. He had a great game.
"He's very young and he has a long way to go in his development. Given that he is so young and he does have such potential, I think he's going to have a great career ahead of him."
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