A Supreme Court decision permitting the Baltimore and Ohio Railroad to give reduced rates to groups of 10 or more is a boon to Major League baseball teams, who can expect to save 25 percent on transportation costs.

On May 16, 1892 — A Supreme Court decision permitting the Baltimore and Ohio Railroad to give reduced rates to groups of 10 or more is a boon to Major League baseball teams, who can expect to save 25 percent on transportation costs.

Source:
Baseball Reference May 16