Messi have been recently linked with an exit from the Camp Nou, following his public spat with sporting director, Eric Abidal.
The Argentina captain has a clause in his contract, which allows him to walk away from Barca at the end of this campaign.
Messi has been linked with Manchester City, where he could reunite with Pep Guardiola.
And Braida told Raido anch’io sport: “Messi is an extraordinary player, he’s doing very well at Barcelona.
“He’s been there since he was 13 and he lives with his family.
“It’s difficult for him to leave, but not impossible.”
He also claimed Messi could even end up playing with Ronaldo, who left Spain to play for Juventus in Serie A.
“They are two such good players that with good work they could work.
“They can play together,” Braida added.