“Riqui can become like Iniesta, for example, if coaches trust him,” he said. “I know that comparing him with Andres are big words but such a player could cost a fortune on today’s market.”
But Puig is reportedly desperate to stay and prove himself at the Nou Camp, despite the lack of game time under Koeman.
Another area Arteta is keen to bring in reinforcements before the end of the January transfer window is in goal.
Alex Runarsson has failed to convince the Arsenal boss since he was signed from Dijon last summer.
With Matt Macey now joining Hibernian, there is shortage of options for Arteta to provide Bernd Leno with cover.