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Week 1 fantasy football FLEX rankings (RB, WR, TE) as of September 7, 2023. Set your winning lineups with our Week 1 NFL ranks for fantasy football.
Hey, RotoBallers! Week 1 is officially here, and we are back with another set of rankings. Today, let's check out our Week 1 fantasy football FLEX rankings as of September 7th. We are here to help you set those winning lineups, so let's see where key FLEX options like Deon Jackson, Nico Collins, Marvin Mims Jr., Justin Watson, De'Von Achane, Van Jefferson, Evan Hull, Marvin Mims Jr., 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 2025:- 2025 fantasy football rankings (redraft)
- Dynasty fantasy football rankings
- 2025 NFL rookie fantasy football rankings
- Best ball fantasy football rankings
- Quarterback fantasy football rankings
- Running back fantasy football rankings
- Wide receiver fantasy football rankings
- Tight end fantasy football rankings
Week 1 FLEX Fantasy FootballNews and Injuries
- Travis Kelce Has Been Ruled Out For Week 1
- Cooper Kupp Ruled Out For Week 1, Could Go On IR
- Van Jefferson Steps Into No. 1 Receiver Role In LA
- George Kittle Agrees To Restructured Contract
- Travis Kelce To Test Out His Knee Thursday Morning
- Kendre Miller Unable To Practice Wednesday
- Kadarius Toney, Richie James Will Play Against Lions
- Mike Evans Healthy Heading Into Week 1
- Javonte Williams Set For "Big Role" In Week 1
- Adam Thielen Listed As Limited On First Injury Report
- De'Von Achane A Full Practice Participant
- Miles Sanders Good To Go For Week 1
- Dalvin Cook Given Green Light For Week 1
- Romeo Doubs Returns To Practice Thursday
- Christian Watson Held Out Practice Thursday
Week 1 Fantasy Football FLEX Rankings
You can also check out our Week 1 Half-PPR rankings and Standard rankings.
Last updated on Thursday, 9/7 at 5:50 pm 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.
