To make room on the team's 40-man roster, outfielder Ender Inciarte was designated for assignment.
Manager Charlie Manuel says Carrera "is still improving as a hitter" and can play all three outfield spots. Manuel says Carrera gives the team a more experienced backup outfielder.
The 25-year-old Carrera hit .272 with two homers, 11 RBIs and eight stolen bases in 48 games with Cleveland in 2012.
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