Names. That's what Major League Baseball (MLB) wants from the Drug Enforcement Agency (DEA) after antinarcotics officials claimed they knew of five baseball players who used performance enhancing drugs (PED), but were not yet been publicly identified.

These players were not among those previously disclosed in the Biogenesis scandal.

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Last year, the MLB suspended New York Yankees third baseman Alex Rodriguez and 13 other players based on the testimony of Anthony Bosch, who headed the Biogenesis lab in South Florida.

Rodriguez contested the suspension after MLB meted down the harshest ban, a year-and-a-half suspension. The others received partial-season suspensions.

Nobody, Bosch included, had been formally charged in the scandal. On Tuesday, Bosch and eight other people were charged on suspicion of conspiracy to distribute testosterone.

Bosch entered into a plea agreement with the government, but other defendants, including alleged PED providers Carol Acevedo and Jorge Velazquez, and former player agent Juan Carlos Nunez, were charged in the indictments.

During the indictment, DEA officials and the U.S. Attorney's Office in South Florida said other players had been involved in the affair and they may have violated the MLB's drug policies. Officials said more arrests would be forthcoming.

MLB conducted its own investigation as well resulting in the player suspensions. Bosch cooperated with the MLB investigation, testifying as to the identities of the players involved in the scandal.

Law enforcement officials told ESPN TV's "Outside the Lines" investigative program the as-yet unnamed players would be identified during the trial. But the MLB said it wanted the names now so it could suspend the players immediately. Discussions were ongoing within federal legal offices whether to name names before they were revealed through legal documents.

MLB officials had said they were frustrated they didn't have all the player names even though it remains to be seen whether any are current MLB players. DEA officials previously said they didn't want to name the players because the investigation was ongoing and they weren't interested in charging users, just dealers.

TagsBaseball, mlb, dea, ped's, drugs in sports, alex rodriguez, crime, law, Drugs