NEW YORK (AP) — Major League Baseball said it is "extremely disappointed" about new allegations of performance-enhancing drug use against Alex Rodriguez and other players contained in a newspaper report.

The Miami New Times, a popular alternative weekly, said in a story Tuesday that it had obtained files through an employee at a recently closed clinic in south Florida that show Rodriguez purchased HGH and other substances.

"We are always extremely disappointed to learn of potential links between players and the use of performance-enhancing substances. ... Through our Department of Investigations, we have been actively involved in the issues in South Florida," MLB's statement said.