Adrian Nieto, a minor league catcher in the Washington Nationals organization, was suspended today after testing positive for performance enhancing drugs, according to multiple sources citing a Major League Baseball release. Nieto tested positive for Oxandrolone and metabolite. Nieto, 21, hit .195/.291/.253 last season for Single-A Hagerstown of the South Atlantic League. The Cuban native was a fifth round pick in the 2008 Amateur Draft. This is the fourth year in a row the Nationals have had a minor leaguer suspended for PEDs. For a full list, click this link.