Classic Game Room’s CGRtrailers presents a trailer for the Liberation and Piazza Maps, from Call of Duty: Modern Warfare 3, for the Call of Duty Elite online multiplayer service. Actor/comedian Rob Riggle returns to educate everyone on these two latest maps from Modern Warfare 3 that are available on the Xbox Live for premium Elite members that are part of the Call of Duty: Modern Warfare 3 Season of Content event. Enjoy!

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