We have received confirmation from sources familiar with the matter that San Francisco shop Pereira & O’Dell and Muscle Milk’s three-plus-year relationship has come to an end. P&O’D initially beat out five rival agencies for Muscle Milk, which is housed under the CytoSport umbrella and joined said agency’s roster that at the time included LEGO, University of Phoenix and Popchips. Here’s one of the more memorable moments to refresh your memory and, oh yeah, this too.