Landis MLB Contract Renewed
Dec 16 MLB owners renew contract with Commissioner Kenesaw Mountain Landis for a second 7-years term
- Dec 19 National Football League Championship: Frankford Yellow Jackets (14-1-2) win first past the post title
Cardinals Trade Hornsby
Dec 20 St. Louis Cardinals trade future Baseball Hall of Fame infielder Rogers Hornsby to NY Giants for Frankie Frisch & Jimmy Ring; concerns over Hornsby's gambling
- Dec 30 Chicago Tribune reports the Tigers threw a 4-game series to the White Sox in 1917 to help Chicago win the pennant (never substantiated)