Morillo worked a perfect ninth inning Wednesday to record his second save of the season in a 2-0 win over the Cubs. He didn't strike out a batter.
Lawlar went 2-for-3 with a solo home run in Wednesday's 2-0 win over the Cubs.
Lee was scratched from the lineup for Wednesday's game versus the Reds due to a bruised elbow, Alex Pavlovic of NBC Sports Bay Area reports.
Cabrera will start Thursday's game against the Giants, Alex D'Agostino of SI.com reports.
Rodriguez (14-4) picked up the win in Wednesday's 2-0 victory over the Cubs, scattering two hits and three walks over seven scoreless innings. He struck out nine.
The Giants selected Roxby's contract from Triple-A Sacramento on Wednesday.
The Giants placed Houser on the 15-day injured list Wednesday due to a right forearm strain.
The Giants transferred Whisenhunt (elbow) from the 15-day injured list to the 60-day IL on Wednesday.
Kepler is out of the lineup for Wednesday's game against the Cubs.
Lawlar (head) will start in center field and bat eighth in Wednesday's game against the Cubs.
