Pedro Julio Astacio is a Dominican former Major League Baseball (MLB) pitcher. He has played for the Los Angeles Dodgers (1992–1997), Colorado Rockies (1997–2001), Houston Astros (2001), New York Mets (2002–2003), Boston Red Sox (2004), Texas Rangers (2005), the San Diego Padres (2005) and the Washington Nationals (2006). In 2007, Astacio signed a contract with the Nationals' Triple-A affiliate, the Columbus Clippers, but they released him in May.