(CBS) The Cubs have recalled left-hander Zac Rosscup and right-hander Neil Ramirez ahead of this afternoon’s contest against the Diamondbacks and also placed outfielder Justin Ruggiano on the 15-day disabled list, the team announced.

Righty Blake Parker has also been optioned to Triple-A Iowa.

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Ruggiano suffered a strained left hamstring when diving for a catch yesterday. It’s a grade-2 strain that will keep him out three or four weeks, MLB.com’s Carrie Muskat reported. Ruggiano was used in a platoon role and is hitting just .229 this season with one homer and six RBIs.

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Rosscup and Ramirez will both be available this afternoon. In his only appearance of the year for the Cubs, Rosscup threw 1 2/3 scoreless innings as the 26th man in the nightcap of a doubleheader against the Yankees on April 16.

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This is Ramirez’s first appearance on a major league roster.