Perez is part of the Padres' roster for the National League Division Series versus the Dodgers.
Perez (5-5) picked up the win over the White Sox on Saturday, allowing one run on two hits and three walks over 5.1 innings. He struck out six.
The Padres reinstated Perez from the paternity list Saturday.
Perez (personal) is listed as the Padres' probable starting pitcher for Sunday's game against the Giants in San Francisco.
The Padres placed Perez on the paternity list Wednesday.
Perez did not factor into the decision in a loss to the Tigers on Thursday, allowing five hits and one walk over 6.1 shutout innings. He struck out five.
Perez allowed one run on four hits and three walks while striking out a batter over 3.2 innings. He did not factor into the decision.
Perez did not factor into the decision in Tuesday's win over the Twins, allowing three runs on seven hits and a walk while striking out two over 4.2 innings.
Perez (3-5) picked up the win Wednesday against the Pirates, allowing one earned run on five hits and one walk while striking out eight in 5.1 innings.
Perez came away with a no-decision in Friday's 6-2 extra-inning win over the Marlins, giving up two runs on three hits and two walks over seven innings. He struck out six.