The Kansas City Chiefs visit the Dallas Cowboys in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Washington Redskins visit the Seattle Seahawks in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Arizona Cardinals visit the San Francisco 49ers in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Tampa Bay Buccaneers visit the New Orleans Saints in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Los Angeles Rams visit the New York Giants in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Indianapolis Colts visit the Houston Texans in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Denver Broncos visit the Philadelphia Eagles in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Cincinnati Bengals visit the Jacksonville Jaguars in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Baltimore Ravens visit the Tennessee Titans in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

The Atlanta Falcons visit the Carolina Panther in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

PFF's Eric Eager and George Chahrouri examine the NFL picks to make against the spread in Week 9.

The Buffalo Bills visit the New York Jets in Week 9 of the 2017 NFL season. PFF previews the top player matchups of the game.

Examining the NFL's top performing players, by their currently undervalued contracts at the midway point of the 2017 NFL season.

PFF's Nathan Jahnke gives you 32 observations from the previous week of NFL action.

PFF Analysts Steve Palazzolo & Zac Robinson examine the rankings of NFL quarterbacks by PFF overall grade after the first eight weeks of the season.

Nearing the mid-way point of the NFL season, we use our PFF data to predict and project wins for every NFL team with input from the grading as well as strength of schedule going forward.

Week 9 of PFF's NFL Power Rankings for all 32 teams, based on our exclusive PFFELO system. Our iterative system updates each team’s rating after each game.

All season long, PFF will be ranking the best performing NFL rookies as they race for Rookie of the Year. Below is our weekly rookie rankings after the Week 8 games.