According to Ken Rosenthal, the Pirates have signed left-handed reliever Doug Slaten to a minor league contract.  Terms are not available yet, but it's likely that Slaten will receive a non-roster invitation to spring training.  Slaten, 31, was a 17th round draft pick of the Arizona Diamondbacks in 2000 and pitched all or parts of four seasons with them before being chosen off waivers by the Washington Nationals after the 2009 season.  He spent 2010 with the Nationals, but missed part of 2011 due to elbow surgery, although he was able to return late in the season.  He appeared in 31 games with a 4.41 ERA in 16.1 innings pitched, allowing a .356 opponents' batting average.  He also appeared in nine games during a minor league rehab stint.  The Nationals non-tendered him in the off-season.  ...

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.