Hide player details section if none available

includes/class-sp-player.php

@@ -12,6 +12,16 @@
  */
 class SP_Player extends SP_Custom_Post {
 
+	/**
+	 * Returns positions
+	 *
+	 * @access public
+	 * @return array
+	 */
+	public function positions() {
+		return get_the_terms( $this->ID, 'sp_position' );
+	}
+
 	/**
 	 * Returns current teams
 	 *