La Roja will take on Greece on November 11 before facing Sweden three days later, as the team's Group B campaign comes to a close.
Pablo Fornals, meanwhile, has been in impressive form for West Ham United during the 2021-22 campaign, and the attacker has also been included.
Gavi became Spain's youngest ever international player when he featured against Italy in the UEFA Nations League last month, and the Barcelona midfielder again makes the squad.
Goalkeepers: David De Gea, Unai Simon, Robert Sanchez
Defenders: Cesar Azpilicueta, Dani Carvajal, Aymeric Laporte, Eric Garcia, Pau Torres, Inigo Martinez, Jordi Alba, Jose Gaya
Midfielders: Sergio Busquets, Rodri, Gavi, Carlos Soler, Koke, Mikel Merino
Forwards: Pablo Sarabia, Yeremi Pino, Alvaro Morata, Rodrigo, Pablo Fornals, Dani Olmo, Ansu Fati, Brahim Diaz