The news follows Cubs first base coach Craig Driver's positive test result last week. Driver did not accompany the team on its weekend trip to Pittsburgh.
In corresponding moves, left-handed relievers Justin Steele and Brad Wieck were recalled from the alternate site while Pedro Strop's contract was selected.
Cubs manager David Ross added that Monday's game against the Milwaukee Brewers was not in jeopardy, and the entire traveling party tested negative, according to Meghan Montemurro of the Chicago Tribune.
Chicago is beginning a three-game series against the Brewers in Milwaukee on Monday, concluding a six-game road trip.