diff --git a/src/Libs/Router.php b/src/Libs/Router.php
index 12b5a0c..16c5426 100644
--- a/src/Libs/Router.php
+++ b/src/Libs/Router.php
@@ -92,16 +92,18 @@ class Router {
         header('Location: '.static::basePath().substr($path,1));
     }
 
-    /*
+    /**
      * Añade un middleware a la última ruta usada.
      * Solo se puede usar un middleware a la vez.
      *
      * @param mixed $callback
+     * @param int $prioriry
      *
      * @return Router
      *   Devuelve un enlace estático.
      */
-    public static function middleware($callback) : Router{
+
+    public static function middleware($callback, int $priority = null) : Router {
         if (!isset(static::$last))
             return new static();
 
@@ -112,12 +114,23 @@ class Router {
             $callback = 'Middlewares\\'.$callback;
         }
 
-        static::$$method[$index]['callback'][] = $callback;
+        if (isset($priority) && $priority <= 0)
+            $priority = 1;
+
+        if (is_null($priority) || $priority >= count(static::$$method[$index]['callback']))
+            static::$$method[$index]['callback'][] = $callback;
+        else {
+            static::$$method[$index]['callback'] = array_merge(
+                array_slice(static::$$method[$index]['callback'], 0, $priority),
+                [$callback],
+                array_slice(static::$$method[$index]['callback'], $priority)
+            );
+        }
 
         return new static();
     }
 
-    /*
+    /**
      * @return Neuron
      *   Devuelve un objeto que contiene los atributos:
      *     post  - Donde se encuentran los valores enviados por $_POST.