After a few years of planning and testing, Major League Soccer is ready to roll out video review in all of its games. For each game, including the playoffs and MLS cup, there will be a fifth referee on the crew with access to all available broadcast replays. That person's job is to alert the head referee to "clear and obvious errors or serious missed incidents" in four specific situations: Goals, penalty kicks, red cards and mistaken identity. Embarrassing referee gaffes have hit some high profile games over the years, and everyone hopes that video review will help, which is why the MLS and FIFA are expanding its usage.