Perdomo went 4-for-5 with a double and a run scored in Friday's 2-0 win over Atlanta.
Moreno went 1-for-5 with a double and an RBI in Friday's 2-0 win over Atlanta.
Vargas moved from first to second base after Ketel Marte (knee) was removed from Friday's game in the second inning. The former went 1-for-4 in a 2-0 win over Atlanta.
Gasser (3-5) allowed three runs on eight hits and a walk while striking out seven over 6.1 innings to take the loss versus the Dodgers on Friday.
Tawa went 1-for-3 with a solo home run in Friday's 2-0 win over Atlanta.
Pfaadt (7-1) earned the win against Atlanta on Friday, allowing two hits and no walks while striking out seven over seven scoreless innings.
Garcia earned the save in Friday's 2-0 win over Atlanta, striking out two in a perfect ninth inning.
Pratt (hamstring) could be cleared to return from the injured list after a minimum-length stay, Curt Hogg of the Milwaukee Journal Sentinel reports.
Frelick (shoulder) is slated to begin playing in the outfield at Triple-A Nashville on Friday, Adam McCalvy of MLB.com reports.
Marte was removed from Friday's game against Atlanta due to left knee soreness.
