Abreu, designated for assignment Aug. 1 to make room for Shane Victorino, is the second veteran to accept a Minor League assignment in as many days, joining Tony Gwynn.
By returning to the organization, both players will be eligible to be added to the 40-man roster, called up for September and be eligible to be added to a postseason roster.
Abreu, 38, who was released by the Angels in April, hit .251 with two homers, 17 RBIs and a .359 on-base percentage in 70 games for the Dodgers.
Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.