gistfile1.txt

$app->container->singleton(
    'doctrine.entitymanager',
    function (Set $container) {
		$paths  = [__DIR__."/../src/Doctrine/Mapping/"];
		$isDev = true;
		$dbConfig = $container->get('app.config')['doctrine'];
		$config = Setup::createAnnotationMetadataConfiguration($paths, $isDev, null, null, FALSE);
		$entityManager = Doctrine\ORM\EntityManager::create($dbConfig, $config);
        return $entityManager;
    }
);

...

if (0) {
        $entities = array();
        $meta = $em->getMetadataFactory()->getAllMetadata();
        foreach ($meta as $m) {
            $entities[] = $m->getName();
        }
}

        $leagueRepository = $em->getRepository('Pool\Entity\League');