They also described numerous times when all four co-defendants traveled across state lines to sponsor dogs in fights.
Viewers assumed Heineken had officially sponsored the dog fighting event in Mongolia and some called for a boycott of the company.
Local kennel clubs worldwide sponsor dog shows, sometimes specializing in national breeds.
The man, Oscar Allen, 67, entered the plea to conspiracy to travel in interstate commerce to aid in illegal gambling and to sponsor a dog in animal fighting.
The defendants face felony charges of conspiring to travel in interstate commerce and to sponsoring "a dog in an animal fighting venture".
As part of the deal, Vick agreed to plead guilty to the felony charges of conspiring to travel in interstate commerce in aid of unlawful activities and conspiring to sponsor a dog in an animal-fighting venture.
Vick, 27, said through a lawyer this week that he would plead guilty to a federal charge of conspiracy to travel in interstate commerce in aid of unlawful activities and conspiracy to sponsor a dog in an animal-fighting venture.
Another company, Varian Medical Systems in Palo Alto, Calif., which makes equipment for radiation therapy, is sponsoring a dog study to test the theory that radiation can make certain cancer drugs more effective, an idea it also hopes to test in people.
Vick, who is scheduled to be sentenced Dec. 10, faces up to five years in prison if convicted on the charge of conspiracy to travel in interstate commerce in aid of unlawful activities and to sponsor a dog in an animal-fighting venture.
Vick's admissions came in a plea agreement filed at the federal courthouse in Richmond, Va., where he is expected to plead guilty formally on Monday to felony charges of conspiring to travel in interstate commerce in aid of unlawful activities and conspiring to sponsor a dog in an animal-fighting venture.
On Friday at the federal courthouse here, Purnell A. Peace, 35, of Virginia Beach and Quanis L. Phillips, 28, of Atlanta pleaded guilty to conspiring to travel in interstate commerce in aid of unlawful activities and conspiring to sponsor a dog in an animal-fighting venture.
