Jacksonville clinched its first playoff berth since 1999 on Saturday, rallying for three touchdowns in the final quarter to beat Houston, 38-20, for an AFC wild card spot.
The win by the Jaguars (11-4) left only one wild card spot in the AFC. Pittsburgh (10-5) beat Cleveland, 41-0, and will clinch that spot if it beats Detroit at home next week.
Denver, meanwhile, won the AFC West - and a first-round bye - when Kansas City beat San Diego, 20-7. The Chiefs (9-6) stay alive for a wild card spot, but the loss eliminated the Chargers (9-6), who handed Indianapolis its first loss last week.
In the NFC, Washington beat the New York Giants, 35-20, to stay alive for the NFC East title, while Dallas beat Carolina and Tampa Bay beat Atlanta in the final seconds of overtime to set up a wild final weekend.
The victory by the Redskins (9-6) means Washington can make the playoffs as a wild card team if it wins its finale in Philadelphia next week. It can win the NFC East if it wins and the Giants (10-5) lose at Oakland.
Tampa Bay's 27-24 win over Atlanta (8-7) put the Bucs into a tie for the NFC South lead with Carolina at 10-5. Dallas (9-6) remained alive with a bizarre 24-20 win over the Panthers.