The 27-year-old Lindblom was originally selected by the Dodgers in the second round of the 2008 First-Year Player Draft. He made his big league debut with Los Angeles (NL) in 2011, where he posted a 1-0 record and 2.73 ERA (29.2ip/9er) in 27 relief appearances.
Since making his Major League debut, Lindblom has posted a career record of 5-8 with one save and a 3.82 ERA (136.2ip/58er) in 110 appearances (six starts) with Los Angeles (2011-12), Philadelphia (2012), Texas (2013) and Oakland (2014).
In addition, Pittsburgh has also outrighted right-handed pitcher Angel Sanchez to Triple-A Indianapolis. The Pirates now have 39 players on their 40-man roster.