The Argentine forward looks fit and set to feature in the Blaugrana's opening game of this Liga season 2013-14.
In Asia tour Barca magic man took a thigh injury (muscular strain) and withdrew from Malaysia game and Argentina's team onward of their 2-1 triumph over Italy on Wednesday.
Messi has concentrated on his recovery with the club's medical staff during the week in order to be fit to feature at Camp Nou on Sunday, and new coach Gerardo Martino has chosen to name him in the 18-man squad.
"Messi is very enthusiastic," Martino said in a press conference ahead of the game.
"He has been working hard during his holiday. There are always records to break and trophies to win."
The squad list for opening match is as follows:
Valdés
Pinto
Alves
Piqué
Jordi Alba
Mascherano
Adriano
Bartra
Song
Sergio Busquets
Cesc Fàbregas
Xavi
Iniesta
Pedro
Tello
Neymar
Alexis
Messi
Pinto
Alves
Piqué
Jordi Alba
Mascherano
Adriano
Bartra
Song
Sergio Busquets
Cesc Fàbregas
Xavi
Iniesta
Pedro
Tello
Neymar
Alexis
Messi