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Martinez was promoted from Double-A Akron to Triple-A Columbus on Friday.

There has been a middle infielder domino effect within Cleveland's organization -- after Amed Rosario got traded, Brayan Rocchio was promoted from Triple-A to the majors and Martinez got bumped from Double-A to Triple-A. Martinez has started 44 games at second base, 25 games at shortstop and 18 games at third base this season, and while he got off to a slow start, the 21-year-old slashed .308/.372/.483 with five home runs, two steals and a 13.7 percent strikeout rate over his final 139 plate appearances at Double-A.

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