“In Brazil, everyone has good opinion about him, and he could be a very successful option for Arsenal and Mikel Arteta.”
It will not be an easy task for the Spanish centre-back to force his way into the Arsenal side, with Sokratis, David Luiz and Shkordran Mustafi all battling to start for the Gunners.
Despite this, mixed form at the back has left the once-Champions League and Europa League finalists in a mid-table Premier League scrap.
The game away at Burnley last weekend seemed to have come too quickly for Mari, who was excluded from the match day squad.
However, he could make his debut next Sunday against Newcastle United (4.30pm) at the Emirates Stadium.