The folks at Flagstaff Films recently tweeted a three-part series, showing the Cubs (and a brief view of a couple of Cincinnati Reds) doing pre-game warmups at Wrigley Field in 1939.
Here they are:
Rare Color-(Part 1 of 3)1939 @Cubs at Wrigley Field-pre-game-(along with 2 quick Reds shots) take note of the Centennial patches, which were worn by all ML clubs that season-https://t.co/4hgqNC8dLt (from the Flagstaff Films baseball hime movie archive) pic.twitter.com/pI7Ob752jI
— Flagstaff Films (@Flagstafffilms) December 30, 2018
Rare Color-(Part 2 of 3)1939 @Cubs at Wrigley Field-pre-game-take note of the Centennial patches, which were worn by all ML clubs that season.