Muncy is out of the lineup for Game 2 of the NLDS against Atlanta on Sunday, Katie Woo of The Athletic reports.
Pages went 1-for-3 with a three-run home run and a walk Sunday in a 5-1 extra-inning win over the Giants.
Dreyer didn't factor into the decision Sunday against the Giants, allowing one run on two hits and no walks in two innings. He struck out two.
The Dodgers recalled Miller from Triple-A Oklahoma City on Sunday.
The Dodgers placed Treinen (shoulder) on the 15-day injured list Sunday.
Smith is absent from the lineup for Sunday's contest in San Francisco.
White went 2-for-3 with an RBI in Saturday's 13-2 loss to Houston.
Johnson will serve as the Athletics' opening pitcher for Sunday's game against the Astros, Martin Gallegos of MLB.com reports.
Wrobleski has made his last two appearances out of the Los Angeles bullpen, covering 1.2 innings while striking out one batter and allowing one earned run on four hits in outings Tuesday and Thursday against the Padres.
Scott struck out two in a perfect inning to earn the save in Friday's 2-0 win over the Giants.
