There are a lot of different winners this season if you're following the NASCAR Cup Series standings.

and there are just 16 open playoff slots. Perhaps you're curious about who is chosen and why. That's okay since we can assist you.

How is the Cup Series playoff field? This isn't something NASCAR and its fans have had to truly think about in recent seasons.

Generally speaking, the saying "win and you're in" holds true: when a driver wins a race during the regular season,

The playoffs consist of four rounds: The bottom four playoff drivers compete in the final three races of the first three rounds.

After the first nine playoff races, the Championship Round 4—a singles winner-take-all race—is the next stage of the competition.

16 drivers competing for championships make up the Round of 16 of the playoff field, which begins with the Southern 500 at Darlington.

September 4 racetrack Four drivers are removed from the championshiIf more than 16 drivers qualify,p field after that round.