Add two teams? Go back to 12 teams? Let teams choose their opponents in the wild-card round? Here's how the NFL could make tweaks to its postseason.

Change is inevitable in sports, and it could be coming to the NFL's schedule in the form of an 18th game and a new playoff format. But that doesn't

While the number of teams was been adjusted, the seeding structure still remains the same. Currently, the four division winners in each conference earn the top four seeds, with the three wild-card teams then being seeded No. 5, No. 6, and No. 7.