Because there are other 18 teams apart from Barcelona and Real Madrid. Their previews here:
Levante players out of the squad: Pedro López, Diop, Iván López, Karabelas, Ivanschitz, Sissoko.
Eibar players out of the squad: Abraham, Dídac Vilà, Boateng.
KEY PLAYER: Morales. One of the best attacking options for Levante playing in the left wing.
Deportivo players out of the squad: Hélder Postiga, Toché, Salomao, Cavaleiro.
Sevilla players out of the squad: Beto, Carriço, Cristóforo, Nico Pareja, Iago Aspas.
KEY PLAYER: Bacca. The Colombian has scored three goals in the last four games.
Elche players out of the squad: Pedro Mosquera, Jonathas.
Almería players out of the squad: Rubén Martínez, Míchel Macedo, Thievy, Edgar Méndez.
KEY PLAYER: Tyton. Elche goalkeeper is in a great form recently.
Granada players out of the squad: Sulayman, Lass, Adrián Colunga.
Málaga players out of the squad: Ferreira, Roberto Chen, Sergio Sánchez.
KEY PLAYER: Darder. Two ‘golazos’ in the last weeks in La Liga.
Real Sociedad players out of the squad: Carlos Vela, Carlos Martínez, Mikel González, Zurutuza.
Espanyol players out of the squad: Cañas.
KEY PLAYER: Agirretxe. Without Vela, he is in charge of Real Sociedad goals.
Villarreal players out of the squad: Jokic, Bruno Soriano, Rukavina.
Celta de Vigo players out of the squad: Oubiña, Carles Planas, Krohn-Dehli.
KEY PLAYER: Vietto. Well, here we can’t add anything you haven’t read.
Atlético de Madrid players out of the squad: Saúl Ñíguez, Siqueira, Miranda, Griezmann.
Valencia players out of the squad: –
KEY PLAYER: Gimenez. The Uruguayan will start and will have to stop Valencia attacking power.
Córdoba players out of the squad: Iago Bouzón, Luso, Pantic.
Getafe players out of the squad: Roberto Lago, Lafita, Babá
KEY PLAYER: Sarabia. He attacking midfielder wants to prove that there are still talented players in Getafe.