CytoSport, which makes Muscle Milk and other training supplements, ended its relationship with Hernandez.
"In light of the investigation involving Aaron Hernandez, CytoSport is terminating its endorsement contract with Mr. Hernandez, effective immediately," the company said.
While Hernandez's page on the company's website has been removed, he was seen wearing a hat with the Muscle Milk logo on Friday.
In April, Hernandez agreed to endorse Puma. According to ESPN, the company declined to discuss its relationship with Hernandez on Friday.
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