Fast base runners like Ben Chapman of the Yankees who led the American League in stolen bases in 1933, can take longer leads off the bases with safety than slower runners. All base runners must accustom themselves to listen to the advice of coachers. This is because, while the runner can see the pitcher and tell when he is about to throw to a base, he cannot see the basemen, who stand behind him and sometimes make a quick dash to the bag, timing it to be there just as the pitcher turns to throw. Unless a team has wide-awake coachers, who are quick to warn the runner as soon as the baseman starts to cover, they will lose many a runner and many a run.