Vaughn is not in the lineup for Monday's game against the Orioles, according to Daryl Van Schouwen of the Chicago Sun-Times.
Vaughn picked up multiple hits Sunday and did so four times over his last seven games, but he will sit out in favor of Gavin Sheets on Mondaywith manager Pedro Grifol looking to get another left-handed hitter in the lineup against Orioles righty Grayson Rodriguez.