The Bills and Seahawks were in line to win the AFC West, and the Colts were in the AFC title race, while the Texans were just getting started.
The Ravens and Chiefs, meanwhile, were battling for the NFC South, while some teams had a long way to go to get there.
Here are the storylines that are most important in each division, according to ESPN Stats & Information.
NFC West The Rams, Cowboys and Eagles have all been the most consistent winners in the NFC West this season.
The Cowboys have won five of their last six, and have gone 10-6 in their last 11 games, including the last five.
They’re also 11-4 since the bye week.
The Rams have won four of their past five games and are 10-3 since the break.
They’ve won at least five games in each of the last three seasons.
The Eagles have won seven of their first eight games, and went 9-5 in their first nine after a bye week in 2017.
The team also has won five straight.
The Seahawks have won nine of their 10 games since the playoffs began.
Seattle is 11-2 since the playoff break, and is 7-0 in its last nine games.
The Chargers have won three straight.
San Diego is 10-1 since the postseason started, and has won six straight.
New England has won 10 of its last 11, and won five in a row after the bye.
The Patriots won seven straight before a three-game skid, and then fell to 10-4.
Miami is 11 of 12 in its past 12 games, with two losses coming to the Jets and Steelers.
The Dolphins have won 12 of their 13 games after a four-game losing streak.
The Titans have won 10 straight, and their last three losses came in the playoffs.
They lost at home to the Jaguars in Week 12.
The Broncos have won eight straight, with their last four coming after a two-game win streak.
Tennessee is 8-2 in its first nine games, but has lost four straight.
Carolina is 8 of 10 in its four-year run, and its last two losses have come to the Giants and the Titans.
The Panthers are 8 of 13 in their past 10 games.
Houston is 9 of 11 in its nine-game season and is 2-5 since the season began.
The Texans have won 13 straight.
Miami has won seven in a span of nine weeks, and two of its three losses were to the Patriots.
They haven’t lost since Week 6.
NFC East The Giants are 6-0 since the end of the first round, and they have won 11 of their previous 12.
They have played seven straight games, their longest streak since the start of the 2017 season.
New York has won nine straight and are 3-2 this season after a six-game winning streak.
Atlanta is 3-4 in its previous five games after an eight-game slide.
New Orleans is 2 of 7 in its two-year stretch in the Superdome.
The Saints are 9-2 with three losses coming at home.
The Falcons have won six of their final nine games and have a 6-2 record after two straight victories.
New Mexico is 2 for 4 in its three-year history, but the Buffaloes have won at home in three straight after losing at home twice in a season.
Washington is 7 of 11 since the opening round.
The Huskies have won two straight and six of seven, with a three