The Bases and Foul Lines: 1890: Players' National League of Base Ball Clubs
Baseball history diagram: Bases and Foul Lines: 1890: Players' National League of Base Ball Clubs. Starting in 1880, the 15' line was named the Coach's Line. The distance corresponding to the Foul Ball Lines and were specified to be marked on the playing field. These lines were drawn to aid the umpire in keeping the coaches the correct distance from the playing field. In 1887, the Coach's Line was required to begin 75 feet from the Catcher's Line. The Players' League did not mandate a Player's Line for their only season in 1890. The Coach's Line were required to extend to the limits of the ground. Click diagram to return to previous page.