The Pirates claimed Thompson off of waivers from the Nationals.

The Pittsburgh Pirates have claimed left handed pitcher Aaron Thompson off of waivers from the Washington Nationals, according to the team's official Twitter feed.  To make room, they designated reliever Wilfredo Ledezma for assignment.

Thompson was a first round pick for the Florida Marlins in 2006.  He was acquired by the Nationals in 2009 in exchange for Nick Johnson.  Thompson reached the AAA level for the first time in 2010, making one start with one run allowed on five hits in five innings.  He has made 68 starts at the AA level over the last three seasons, with a 5.01 ERA in 365 innings, with a 6.2 K/9 and a 3.6 BB/9 ratio.  In 2010 he had a 5.80 ERA in 26 starts at the AA level, with a 6.3 K/9 and a 3.5 BB/9 rati...

To continue reading the rest of this article, subscribe to Pirates Prospects. Subscribers get access to every article on the site, along with all of our exclusive live coverage of the Pirates' minor league system, all for a very low monthly or yearly rate.

If you're already a member, you can log in below. If you think you're receiving this message in error, please e-mail tim@piratesprospects.com.