Barca are among European giants watching the Levante striker.
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For his part, Eyong has admitted ambitions of playing for Chelsea in the future.
But Brys says: "I think with his potential, yes (he can play for Barcelona). There's always room for a new player in a team if they have the qualities.
"Look at Lamine Yamal: a year ago nobody thought he'd play for the first team, and now he's a key player.
"Etta also has that potential. He's dangerous, unpredictable, he can surprise anyone. And that's valuable for any big team."