Offseason
- December 13, 1938: Fred Frankhouse was traded by the Dodgers to the Boston Bees for Joe Stripp.
- December 13, 1938: Lew Krausse and cash were traded by the Dodgers to the St. Louis Cardinals for Jimmy Outlaw.
- December 13, 1938: Jimmy Outlaw and Buddy Hassett were traded by the Dodgers to the Boston Bees for Gene Moore and Ira Hutchinson.
- December 19, 1938: Luke Sewell was purchased by the Dodgers from the Chicago White Sox.
- February 2, 1939: Tom Lanning was purchased by the Dodgers from the Philadelphia Phillies.
- February 6, 1939: Kemp Wicker and Chris Hartje were purchased by the Dodgers from the New York Yankees.
- February 23, 1939: Woody English was purchased from the Dodgers by the Chicago Cubs.
- March 31, 1939: Bill Posedel was traded by the Dodgers to the Boston Bees for Al Todd.
Read more about this topic: 1939 Brooklyn Dodgers Season