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With the Week 1 season finally here, we're back as always with our fantasy football rankings. Below in this article you'll see our NFL team's updated Week 1 fantasy football FLEX rankings as of September 10th. We are here to help you set those winning lineups, so let's see where key FLEX options like Van Jefferson, Jaxon Smith-Njigba, Jordan Addison, Odell Beckham Jr., Tank Bigsby, and Breece Hall rank, among others.
Our FLEX fantasy football rankings are put together by Nick Mariano. In addition to our staff rankings, below you will also find a summary of the important fantasy football injury news for this week. There are always key injuries to keep track of, so be sure to check back until kickoff.
You should also bookmark our fantasy football rankings portal and check back regularly for updates. In addition to these FLEX rankings, read our fantasy football articles and analysis – our NFL team discusses lineup sleepers, busts, NFL players to start and sit, waiver wire pickups, and so much more. Most importantly, our brand new free mobile app is a must-have – download it and configure your notifications. We deliver all the top NFL news, injuries, and fantasy analysis 24x7 with our free push notification alerts!
Be sure to check all of our fantasy football rankings for the 2025 playoffs:- Quarterback fantasy football rankings
- Running back fantasy football rankings
- Wide receiver fantasy football rankings
- Tight end fantasy football rankings
- Kicker fantasy football rankings
- FLEX fantasy football rankings
- Defense (D/ST) fantasy football rankings
- Superflex fantasy football rankings
- IDP fantasy football rankings
- Dynasty fantasy football rankings
Week 1 FLEX Fantasy FootballNews and Injuries
- De'Von Achane Not Expected To Play Sunday
- Cooper Kupp Lands On IR
- Jerry Jeudy Officially Out For Week 1
- Rhamondre Stevenson Likely To Suit Up On Sunday
- Darren Waller Expected To Play In Week 1
- George Kittle Expected To Play Week 1
- Rhamondre Stevenson Likely To Suit Up On Sunday
- DeVante Parker Expected To Miss Week 1
- Mark Andrews Expected To Miss Opener
- Adam Thielen Anticipated To Play In Week 1
- Kenneth Walker III Cleared To Play Sunday
- Jonathan Taylor Trade Talks To Continue, Has "Slim" Chance Of Returning To Colts
- Zack Moss Is Doubtful For Week 1
- Tyler Higbee A Top Tight End Option For Week 1
- Van Jefferson Steps Into The Team’s WR1 Role In Regular Season Opener
- James Cook A Preferable PPR Play In Opener
- Zay Flowers A Risky Flex Play In Season Opener
- Jaxon Smith-Njigba Won't Be Limited In Week 1
- Jayden Reed Should See Increased Usage In Week 1
- AJ Dillon A Sneaky Flex Play In Season Opener
- Tank Bigsby Better Left On Fantasy Benches During Rookie Debut
- Breece Hall Limited In Practice Friday
- Odell Beckham Jr. Cleared To Play Sunday
- Zach Charbonnet Third On Seahawks Depth Chart
- Jordan Addison A Risky Play In Week 1
- Treylon Burks Removed From Injury Report, Will Play Week 1
- Rashod Bateman At Full Speed, Ready To Play Sunday
- Juwan Johnson: Streaming Candidate For Week 1
- Isaiah Hodgins Looks To Build Off Of Successful End To 2022
- Marvin Mims Jr. Could Have Big Role In Season Opener
- Deon Jackson Expected To Start Week 1
Week 1 Fantasy Football FLEX Rankings
You can also check out our Week 1 Half-PPR rankings and Standard rankings.
Last updated on Sunday, 9/10 at 10:00 am ET:
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Check out all of RotoBaller's fantasy football rankings. Staff rankings are updated regularly for all positions and include standard formats, PPR scoring, tiered rankings and dynasty leagues.
