
Major League Baseball features one of the most grueling schedules in sports, with 162 games spread out over six-plus months. Players who can perform when everyone else is worn down are worth their weight in gold to contending teams.
As we turn to September and October, teams in the playoff hunt will lean on those with extensive track records of success to lift them into the postseason. What follows is a look at each player on a National League contender with the best and worst September track records. We've lumped October numbers from the regular season into these calculations since the sample sizes are too small to warrant their own category.