said Bosch, 50, had reached a deal to plead guilty to conspiracy to distribute anabolic steroids between October 2008 and December 2012.

In a procedural move, he pleaded not guilty at a bond hearing in Miami on Tuesday and was released on $100,000 bond. But his attorney, Julio Ayala, said of a guilty plea: "That will happen eventually." Bosch signed a proffer in support of a guilty plea that was entered into court on Tuesday.

If convicted, Bosch faces up to a maximum 10 years in prison.

Multiple law enforcement officials told "Outside the Lines" that the names of several professional baseball players not previously identified came up in the investigation. The names have not been released, but the sources said the names likely will be in discovery filings.

Sources told "Outsidethe Lines" that MLB players and other pro athletes are not the focus of the federal investigation; rather, authorities focused solely on potential illegal activities involving Bosch and other associates.

Also among those arrested Tuesday was Yuri Sucart, a cousin of Rodriguez. Federal agents described Sucart as one of Bosch's recruiters. Sucart was banned from the New York Yankees' clubhouse, charter flights, bus and other team-related activities by Major League Baseball in 2009 after Rodriguez admitted he used steroids while with Texas from 2001 to 2003, saying Sucart obtained and injected the drugs for him.

Carlos Acevedo (Bosch's former business partner), Jorge (Oggi) Velasquez, Juan Nunez, Christopher Engroba and former University of Miami pitching coach Lazer Collazo also were arrested. Nunez was banned from baseball in 2012 after MLB alleged