(CBS) The Cubs officially called up prized infielder prospect Addison Russell on Tuesday afternoon ahead of an evening game against the Pirates and optioned infielder/outfielder Arismendy Alcantara to Triple-A Iowa in a corresponding move.

To make room for Russell on the 40-man roster, Chicago moved Mike Olt from the 15-day disabled list to the 60-day DL. He has a hairline fracture in his right wrist.

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The 21-year-old Russell will be available against the Pirates, and he’ll wear uniform No. 22. In an interview with the Spiegel and Goff Show on Tuesday, Cubs manager Joe Maddon indicated Russell will play second base and bat ninth in the order, with the pitcher continuing to bat eighth.

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Tabbed the No. 2 prospect in in the minors by Baseball America recently, Russell had hit .297 with one homer and seven RBIs in his first nine games at Triple-A this season, along with a .740 OPS.

“I just like the idea of a really good hitter, not just anybody (batting ninth),” Maddon said.

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Alcantara had struggled early in 2015, batting just .077 (2-for-26) with one RBI and five runs in 11 games.