The regular schedule of 154 was shortened due to World War I, with teams playing between 123 and 131 games.

AL

TEAMWLPctGB
y 1918 Boston Red Sox LogoBos. Red Sox   7551.595-
1918 Cleveland Indians LogoCleveland 7354.5752.5
1918 Washington Nationals LogoWashington 7256.5634.0
1918 New York Yankees LogoNY Yankees 6063.48813.5
1918 St. Louis Browns LogoStL Browns 5864.47515.0
1918 Chicago White Sox LogoChi. White Sox 5767.46017.0
1918 Detroit Tigers LogoDetroit 5571.43720.0
1918 Philadelphia Athletics LogoPhil. A's 5276.40624.0

NL

y 1918 Chicago Cubs LogoChi. Cubs 8445.651-
1918 New York Giants LogoNY Giants 7153.57310.5
1918 Cincinnati Reds LogoCincinnati 6860.53115.5
1918 Pittsburgh Pirates LogoPittsburgh 6560.52017.0
1918 Brooklyn Robins LogoBrooklyn 5769.45225.5
1918 Philadelphia Phillies LogoPhil. Phillies 5568.44726.0
1918 Boston Braves LogoBos. Braves 5371.42728.5
1918 St. Louis Cardinals LogoStL Cardinals 5178.39533.0