David Sierra

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(6) David Sierra, sits in his family owned realty company in Coral Gables, Fla., Thursday, Jan. 29, 2013, displaying a photo of a flier that the management company passed out to tenants in an office complex where they rented space to Biogenesis and Anthony Bosch. New York Yankees’ Alex Rodriguez has denied a newspaper report on Tuesday that accused the baseball star of buying human growth hormone and other performance-enhancing substances from a clinic in the Miami area. The Miami New Times, an alternative weekly, reported that it obtained records detailing purchases by Rodriguez, Melky Cabrera, Gio Gonzalez, Bartolo Colon, Nelson Cruz and Yasmani Grandal from a clinic called Biogenesis, run by Bosch. (AP Photo/J Pat Carter)