With just four weeks left of the NFL's regular season, the race for the playoffs is heating up and the playoff picture remains uncertain. As it stands, only one team has secured their spot in the postseason – the San Francisco 49ers.

The 49ers, with an impressive record of 10-3, guaranteed their place in the playoffs after a victory over the Seattle Seahawks. The Green Bay Packers' defeat by the New York Giants further solidified the 49ers' playoff berth. Led by coach Kyle Shanahan, the 49ers are now focused on securing the conference's No. 1 seed and homefield advantage.

In the NFC, the Dallas Cowboys and Philadelphia Eagles are still chasing the 49ers for the top seed. With identical records of 10-3, the Cowboys currently hold the tiebreaker over the Eagles based on their division records. However, the Eagles have a favorable schedule ahead, playing the Seahawks, Giants (twice), and Arizona Cardinals. If they win their remaining four games, they could take the NFC East title from the Cowboys.

Meanwhile, the AFC playoff race is filled with excitement. The Baltimore Ravens, with a record of 10-3, are the current favorites for the No. 1 seed. However, the Miami Dolphins (9-4) are hot on their trail, while the Kansas City Chiefs (8-5) are still in contention.

In the NFC North, the Detroit Lions' grip on the division has weakened with recent losses to the Packers and Bears. The Minnesota Vikings (7-6) and Packers (6-7) currently hold playoff spots despite inconsistent performances throughout the season. The Vikings will receive a boost with the return of star receiver Justin Jefferson, giving them hope for a successful postseason run.

The NFC South is the only division in football without a team with a winning record. The Tampa Bay Buccaneers (6-7) currently hold a playoff spot, but they share the same record as both the Atlanta Falcons and New Orleans Saints. The Buccaneers and Falcons hold the tiebreaker over the Saints based on head-to-head matchups and common games records.

As the regular season gears up for an exciting finish, the Super Bowl looms on February 11 at Allegiant Stadium in Las Vegas. With the majority of the playoff picture still up in the air, football fans can look forward to a thrilling final four weeks of the regular season.

In conclusion, as the NFL regular season enters its final stretch, only the San Francisco 49ers have booked their spot in the playoffs. The remaining weeks are set to provide plenty of drama and excitement as teams battle for playoff berths and position themselves for a postseason run.