Brock Purdy (left) is flying for the 49ers but Josh Allen showed some flaws as Buffalo lost to Philadelphia
The Pittsburgh Steelers blowing their chance in week 17 to clinch a play-off spot has set up one of three final-day deciders.
A thrilling game in San Francisco ended with the 49ers edging the plucky Chicago Bears, while the so-called 'Super Bowl preview' between the Buffalo Bills and the Philadelphia Eagles saw both teams show some major attacking shortcomings.
Sam Darnold made history as Seattle moved a step closer to the NFC top seed, while Drake Maye and Trevor Lawrence again impressed as the AFC's main contenders finished the season strong.
Here's a deeper look at the big talking points from the week.
