Reed was designated for assignment by the Dodgers on Friday.
Reed was called up by the Dodgers on Tuesday and recorded his first career save during Tuesday's win over the Mets. However, he's posted a 7.36 ERA in 11 innings over 10 relief appearances between the Dodgers and Mets this season and will lose his spot on the 40-man roster after Blake Treinen (shoulder) was reinstated from the 60-day injured list.