As acquire RHP Sandy Rosario from Boston

November 28, 2012, 7:25 pm
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OAKLAND -- The Oakland As acquired right-handed pitcher Sandy Rosario from the Boston Red Sox for a player to be named later or cash considerations, the club announced today. To clear a spot on the 40-man roster, the As designated outfielder Jermaine Mitchell for assignment.

Rosario spent the 2012 season in the Miami organization before he was claimed off waivers by Boston October 17. He began the season at Triple-A New Orleans, posting a 1.04 ERA in 25 relief appearances and converting all 16 of his save opportunities. The 27-year-old right-hander joined the Marlins June 8 and logged an 18.00 ERA in four relief appearances before going on the disabled list June 16 with a strained right quadriceps. Rosario made four rehab appearances with Single-A Jupiter before he was reinstated from the DL and optioned to Double-A Jacksonville August 30. The native of the Dominican Republic has pitched in 10 games with the Marlins over the last three seasons and has a 15.26 ERA.

Mitchell spent the entire 2012 season at Triple-A Sacramento where he batted .252 with 15 doubles, 11 triples, six home runs and 38 RBI. He was originally drafted by the As in the 5th round of the 2006 draft and is a .281 career hitter in 753 games over seven seasons in the minors.

Courtesy Oakland A's media services