The Pittsburgh Pirates reinstated right-hander Chase De Jong from the 15-day injured list on Tuesday.
The Pirates also recalled right-hander Colin Holderman from Triple-A Indianapolis, optioned right-hander Johan Oviedo to Indianapolis and assigned infielder Malcom Nunez to Double-A Altoona.
Oviedo and Nunez were acquired from the St. Louis Cardinals on Monday in a trade for left-hander Jose Quintana and right-hander Chris Stratton.
De Jong, 31, landed on the IL on July 19 with tendinitis in his left knee. He is 4-0 with a 2.06 ERA in 21 appearances out of the bullpen this season.
Holderman, 26, is 4-0 with a 2.04 ERA in 15 relief appearances this season with the Pirates. He made his MLB debut on May 15.
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