The Nationals announced that they signed left-hander Zach Duke to a minor league deal (Twitter link). The Astros released Duke earlier this week.
Duke, 28, posted a 4.93 ERA with 3.8 K/9, 2.2 BB/9 and a 49.6% ground ball rate in 76 2/3 innings last year. The 2009 All-Star owns a 4.56 ERA with 4.6 K/9, 2.4 BB/9 and a 49.0% ground ball rate in seven seasons with Arizona and Pittsburgh. SFX represents the Clifton, Texas native.
