Diamondbacks activate Didi Gregorius, option Alfredo Marte

The shortstop prospect is back after being placed on the 7-day DL.

By Connor Moylan May 4, 2013, 5:00pm EDT

The Arizona Diamondbacks have activated shortstop prospect Didi Gregorius off the 7-day disabled list, making room the 23 year-old by optioning Alfredo Marte to Triple-A Reno, Ken Rosenthal is reporting.

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The Diamondbacks originally placed Gregorius on the DL after he was hit by a Josh Outman fastball in the head last Friday. The team announced that Gregorius had a mild concussion, but the shortstop appears to have recovered from the injury.

Gregorius was a key part of the three-team trade that sent Shin-Soo Choo to the Cincinnati Reds and Trevor Bauer to the Cleveland Indians. The shortstop originally started the season in the minor leagues, but was called up when the team placed Aaron Hill on the disabled list.

The left-handed hitting Gregorius has been an offensive force in a small sample this season, hitting .407/.448/.778 through his first 30 plate appearances this season. A .529 BABIP is fueling his offensive production, so expect some serious regression in Gregorius' fututre. The shortstop does not project as an elite hitter, but is considered a gifted fielder.

Marte is a power-hitting outfield prospect, but struggled in his exposure at the major-league level. The 24 year-old received 48 plate appearances in 22 games, hitting .186/.271/.256. Marte spent all of last season in Double-A, so some time in Triple-A will likely help his development.