De Jong has been called up and will start Sunday's game against the Rockies, Mike Persak of the Pittsburgh Post-Gazette reports.

EDGE Analysis

Rumblings of De Jong taking the ball Sunday started earlier in the morning with there being reports that the right hander was throwing in Pittsburgh on Saturday. The 27-year-old has tallied 20 innings this season at Triple-A Indianapolis, allowing eight earned runs on 16 hits and eight walks.