Fantasy Football: 10 biggest reactions to NFL Week 13

• Teams tinker with their backfields: Multiple teams changed how they used their running backs, some moving to a rotation they used earlier in the season and others to something brand new.

• Injuries dominate Week 13: Several teams dealt with injuries. Some teams had a straightforward replacement. Some of the more complicated situations are included here.

• New coaches make unexpected changes: The Pittsburgh Steelers recently fired offensive coordinator Matt Canada, while the Carolina Panthers fired Frank Reich last week.

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PFF's fantasy football recap focuses on player usage and stats, breaking down all the vital information you need to achieve fantasy success in 2023. Here, we touch on only players who are relevant in fantasy football leagues.

These are my 10 biggest reactions to the games from the Sunday slate. To get a more in-depth breakdown, check out my full Sunday recap.

Jets adjust running back rotation: There were reports before the game that Dalvin Cook would receive more carries this week, which ended up being true.

• Cook ran the ball nine times, which was a season-high since Week 1. He ran two times or less in four of his last five games.
• The Jets spent most of the season with Breece Hall and Cook sharing the early down role while Michael Carter played third down. Hall was slowly but surely taking more time away from Cook.
• Once Carter was released, Cook became the primary third-down back, which meant the release meant little change for Hall.
• This week, Cook was back to taking a higher percentage of snaps on early downs. In return, Hall still received the most work on early downs but also was the third-down back.
• Hall was completely ineffective in the run game with 16 yards on 13 carries, but he caught six of his eight targets. It was just the fifth time in his career that he caught six or more passes.
• This move will probably be a positive change for Hall’s fantasy value. It might mean fewer carries but more targets, which are more valuable for fantasy points.

Devin Singletary sees a reduced role: The Texans backfield played out similarly to earlier in the season rather than where it was in recent weeks.