diff --git a/ClassExtended.php b/ClassExtended.php
new file mode 100644
index 0000000..6d11f0b
--- /dev/null
+++ b/ClassExtended.php
@@ -0,0 +1,28 @@
+<?php
+
+require_once("ClassPlayers.php");
+
+class Defender extends Player {
+
+    public $strPosicion;
+    public static $strGeneralPosicion = "Defensa";
+
+    public function __construct($nombre, $posicion, $numero){
+        $this -> strPosicion = $posicion;
+        parent::__construct($nombre, $numero, $posicion);
+    }
+
+    public function perdidaAcabadaenGol(){
+        echo $this -> strNombre . "pierde el balón y termina en gol <br>";
+    }
+
+    public function pase(){
+        echo $this -> strNombre . "hace un buen pase <br>";
+    }
+
+}
+
+
+$newDefender = new Defender("Albert", "Defensa Central", 14);
+
+$player -> perdida();
\ No newline at end of file
diff --git a/ClassPlayers.php b/ClassPlayers.php
new file mode 100644
index 0000000..06e1042
--- /dev/null
+++ b/ClassPlayers.php
@@ -0,0 +1,34 @@
+<?php
+
+class Player{
+
+    public $strNombre;
+    public $strPosicion;
+    public $intNumero;
+
+    public function __construct($nombre, $posicion, $numero){
+        $this -> strNombre = $nombre;
+        $this -> strPosicion = $posicion;
+        $this -> intNumero = $numero;
+    }
+
+    public function pase(){
+        echo $this -> strNombre . " pasa la pelota <br>";
+    }
+
+    public function chute(){
+        echo $this -> strNombre . " chuta la pelota <br>";
+    }
+
+    public function perdida(){
+        echo $this -> strNombre . " pierde la pelota <br>";
+    }
+
+    public function __destruct(){
+        echo "<br> The player is " . $this->strNombre;
+    }
+}
+
+$player = new Player("Neymar", "Delantero", 10);
+
+$player -> perdida();
\ No newline at end of file
diff --git a/abstractClass.php b/abstractClass.php
new file mode 100644
index 0000000..5f00651
--- /dev/null
+++ b/abstractClass.php
@@ -0,0 +1,10 @@
+<? 
+
+abstract class Scorers{
+
+    public $name;
+    public $goals;
+    abstract public function countGoals();
+    abstract public function rankingScorers();
+
+}
\ No newline at end of file
diff --git a/interface.php b/interface.php
new file mode 100644
index 0000000..470322e
--- /dev/null
+++ b/interface.php
@@ -0,0 +1,15 @@
+<?php
+
+interface marketPlayers{
+
+    $name;
+
+    public function hacerOferta($name){
+        echo "Se ha enviado una oferta a " . $this -> $name;
+    }
+
+    public function fichar($name){
+        echo "Se ha fichado a " . $this -> $name;
+    }
+
+}
\ No newline at end of file