Ross, who has a career record of 13-8 with a 4.08 ERA in 165 games in the Major Leagues, was acquired by the Red Sox from the Rangers in January. He last pitched for Boston on Saturday night, when he allowed two runs in three innings of relief against Texas.
Ross, a second-round draftee in 2008, has posted a 31-24 record and a 3.07 ERA in 83 career games in the Minor Leagues. He's allowed just 24 home runs in 445 innings at the Minor League level, but he's allowed big league hitters to go deep 18 times in 222 2/3 innings.
Spencer Fordin is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.