The Brazilian has spent the last two years in Seville after being purchased in a joint-transfer by the two clubs
Betis defender Emerson will complete his €9 million move to Barcelona on Wednesday, Goal understands.
The Brazilian was signed by the two Spanish clubs from Atletico Mineiro in a joint-venture two years ago.
And despite interest elsewhere in his signature, he will now be unveiled as the Catalans' latest new signing following the presentation of Sergio Aguero.
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Camp Nou-bound
Under the terms of the agreement penned in 2019 Emerson was sent to Seville for two seasons, where he became a pivotal part of the Betis line-up.