The Twins announced that they outrighted right-hander Nick Blackburn and infielder Tsuyoshi Nishioka off of the 40-man roster. Blackburn has been outrighted to Triple-A Rochester and Nishioka, who had previously joined the Triple-A team, will remain in Rochester.
Blackburn, 30, has a 7.39 ERA with 3.8 K/9 and 2.4 BB/9 in 98 2/3 innings over the course of 19 starts this year. He's under contract for $5.5MM in 2013, the last season of the four-year, $14MM extension he signed following his respectable 2008-09 seasons. Nishioka, 28, has spent most of the 2012 season at Triple-A, where he has a .252/.311/.313 batting line in 380 plate appearances. He's under contract for $3MM in 2013. The Twins have 2014 options for both Blackburn and Nishioka.