Jamaal Charles tied a franchise record with five touchdowns in a game and Alex Smith threw five TD passes as the Kansas City Chiefs beat the Oakland Raiders 56-31 to clinch at least a wild-card spot.
Matt Flynn threw four touchdown passes in the second half and Eddie Lacy had the winning score on a one-yard plunge for the Green Bay Packers who matched the biggest comeback in franchise history, rallying from 23 points down at half-time to beat the Dallas Cowboys 37-36.
The St Louis Rams beat the New Orleans Saints 27-16 and the Arizona Cardinals needed overtime to defeat the Tennessee Titans 37-34.
Antonio Brown caught a touchdown pass and returned a punt for a score in a 64-second span in the first quarter asthe Pittsburgh Steelers beat the Cincinnati Bengals 30-20.
Shaun Suisham added three field goals for the Steelers (6-8), who built a 24-point lead and hardly looked like a team playing out the string.
Ben Roethlisberger completed 20 of 25 passes for 191 yards with a touchdown and an interception. Le'Veon Bell added 117 yards of total offense.