| Postseason: |
Lost World Series (4-2) to Boston Red Sox |

Original Curse 1918 sponsor(s) this page.
Transactions listed are from November 1 of previous year to April 1 of the following year.
December 11, 1917
Traded Pickles Dillhoefer, Mike Prendergast and $55,000 to the Philadelphia Phillies. Received Pete Alexander and Bill Killefer.
December 14, 1917
Traded Joe Kelly and cash to the Boston Braves. Received players to be named later. The Boston Braves sent Fred Mitchell (December 14, 1917) and Earl Blackburn (January, 1917) to the Chicago Cubs to complete the trade.
December 26, 1917
Traded Cy Williams to the Philadelphia Phillies. Received Dode Paskert.
1918
Purchased Charlie Hollocher from Portland (PCL).
January 4, 1918
Traded Larry Doyle, Art Wilson and $15,000 to the Boston Braves. Received Lefty Tyler.
1919
Sold Vic Saier to the Pittsburgh Pirates.