The Pirates acquired right-hander Zach Stewart from the Red Sox for a player to be named later, the teams announced. The Red Sox had designated Stewart for assignment on November 20th.
Stewart, 26, has pitched at the MLB level in both of the past two seasons. This is already the fourth time he has been traded since the Reds selected him in the third round of the 2008 draft. The Blue Jays acquired him in the deal that sent Scott Rolen to Cincinnati; Toronto traded him to the White Sox in the three-team trade that sent Colby Rasmus to the Blue Jays; the Red Sox acquired him in the deal that sent Kevin Youkilis to Chicago. In 103 innings at the MLB level, Stewart has a 6.82 ERA with 5.6 K/9 and 1.9 BB/9.