Stewart was recalled from Triple-A Iowa on Friday, Gordon Wittenmyer of NBC Sports Chicago reports.

Stewart pitched four scoreless, hitless innings and struck out three in his only minor-league outing after being optioned June 12. His last Cubs outing was a tough one, as he allowed five runs in four innings of work. He's replacing Tommy Nance though, who yielded as many runs in 1.2 innings Wednesday.

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