Hernandez loses endorsement

CytoSport, makers of Muscle Milk, is ending its endorsement deal with Patriots tight end Aaron Hernandez, reports ESPN's Darren Rovell.

"In light of the investigation involving Aaron Hernandez, CytoSport is terminating its endorsement contract with Mr. Hernandez, effective immediately," the company said in a statement provided to ESPN.

Hernandez also has a deal with Puma. A company spokeswoman told ESPN on Friday that the company would not have any comment on its relationship with the football player.