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Running back sit start Week 4 fantasy football picks for 2025. Matt's top RB starts and sits including JK Dobbins, Ashton Jeanty, Omarion Hampton, Jonathan Taylor, more.
The RotoBaller is working around the clock to bring you the fantasy football advice you need to win more in 2025! Check out our sit/start analysis for running backs to help you dominate your Week 4 matchups.
RotoBaller's Matt Donnelly drops his top running back booms and busts for Week 4, looking at players like JK Dobbins, Ashton Jeanty, Omarion Hampton, Jonathan Taylor, Jahmyr Gibbs, David Montgomery, Travis Etienne.
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2025 Fantasy Football: Week 4 RB Starts/Sits
Matt Donnelly's top RB starts and sits for Week 4 of the 2025 fantasy football season:
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Week 4 Fantasy Football Outlooks
Ashton Jeanty, RB, Raiders
Las Vegas Raiders running back Ashton Jeanty has endured a tough opening stretch, facing three consecutive top-10 run defenses while dealing with offensive line issues. Despite the slow start, Week 4 sets up as his most favorable matchup yet against a Chicago Bears defense ranked 26th against the run.
Chicago has consistently struggled to contain opposing backfields, giving Jeanty a prime opportunity to showcase his explosiveness. With the Raiders likely to lean on the ground game to control the tempo, Jeanty profiles as a strong RB2 option who could deliver his first breakout fantasy performance of the season.
Omarion Hampton, RB, Chargers
Los Angeles Chargers rookie running back Omarion Hampton is primed for a heavy workload following the season-ending injury to Najee Harris (Achilles). In the team's 23-20 win over the Denver Broncos, Hampton recorded 19 carries for 70 yards and a touchdown, along with six catches for 59 yards, demonstrating his value in both the running and passing game.
The 0-3 New York Giants are an ideal matchup, ranking in the bottom third in every defensive category and allowing the second-most rushing yards in the league. Although the absence of guard Mekhi Becton (concussion) could create some vulnerability, Hampton's expected workhorse role and favorable opponent position him for a strong performance. RotoBaller projects Hampton as RB10 this week and considers him a must-start across all formats.
JK Dobbins, RB, Broncos
Denver Broncos running back J.K. Dobbins has been a "real good addition" for the team this year, head coach Sean Payton said. Zac Stevens of DNVR Sports writes that it's "clear" that Payton is a big fan of Dobbins, who has been the Broncos' clear RB1 through three weeks over rookie second-rounder RJ Harvey. Dobbins has seen double-digit carries in all three games of the year so far and has run for at least 63 yards each week. The 26-year-old has also scored on the ground in all three weeks.
His best game so far came in the Week 3 loss to the Los Angeles Chargers, as he ran for 83 yards and a score on a season-low 11 rushing attempts. He had nine more rushing attempts than Harvey last weekend and has outcarried the UCF product 41 to 13. Harvey has one more catch than Dobbins through three weeks. Dobbins isn't going away anytime soon, and he'll be in play as an RB2 in Week 4 in a plus matchup against the Cincinnati Bengals.
Jonathan Taylor, RB, Colts
Indianapolis Colts running back Jonathan Taylor carried the ball 17 times for 102 rushing yards and three rushing touchdowns during Sunday's Week 3 win over the Tennessee Titans. He also caught three of his four targets for an additional 16 yards through the air.
Taylor has been one of the NFL's most effective running backs this season, and now, he has turned in one of the most impressive single-game performances of the 2025 campaign. His efficiency, workload, and nose for the end zone make him a high-end RB1 option heading into Week 4 against the Rams.
Who Should I Start Tool
Not sure who to start? Check out the Who Should I Start tool:
Compare up to four players and we'll tell you who to start...
Who Should I Start? Who Should I Sit? Some common Week 4 fantasy football lineup decisions are regarding players like JK Dobbins, Ashton Jeanty, Omarion Hampton, Jonathan Taylor, Jahmyr Gibbs, David Montgomery, Travis Etienne. But not to worry, we are here to help make these decisions and build winning lineups in Week 4. Set your optimal fantasy football lineups for Week 4 of the 2025 NFL season. Our free Who Should I Start? tool will help make your fantasy football lineup decisions. Compare up to four NFL players, and we tell you who to start... all free! Get your winning lineups set, and make the right decisions.
Week 4 Player Decisions. Today's focus is on specific players - JK Dobbins, Ashton Jeanty, Omarion Hampton, Jonathan Taylor, Jahmyr Gibbs, David Montgomery, Travis Etienne. These are some of the most common searches for fantasy football lineups in Week 4.
Using The Tool. This is a simple tool but very powerful. The first step is to enter the player names that you want to compare. In the first box, search for the first player's name. In the second box, search for the second player's name. Compare up to four NFL players at once, and then click the Who To Start? button to see who the recommended starts are based on weekly fantasy football matchups.
Improvements For Who Should I Start? You may have noticed, our Who Should I Start? tool has gotten an overhaul. We've added lots of great features for you to give you as much information as possible to win your fantasy football matchups each week. You'll see NFL player tiles with headshots and bye weeks, enhanced search results with data to compare, and a slick new interface. We hope you enjoy!
How It Works. Each week, our RotoBaller staff puts together their weekly fantasy football rankings and projections based on their research. That information is the core data that is powering the decision-making in this tool. When you search for player names, you will only see those players who are ranked. If someone is out for the week, they will not appear in the search results.
Scoring Formats. Fantasy football managers play in various types of leagues, and this tool allows you to choose whether it's PPR scoring, Half-PPR scoring, or Standard (Non-PPR) scoring. The second thing you want to do is to select the scoring format. There are three small radio buttons (small circles), so click on the scoring format you prefer. The results may vary based on the scoring format you select.
Popular Week 4 Searches. Curious to see some tough lineup decisions for Week 4 (2025)? Below you will find a list of some popular Who Should I Start? searches that RotoBaller readers are looking at this week. Click any of the links to see the result and recommendation.
Popular Week 4 Searches - Start/Sit Player Comparisons
Below are some popular Week 4 searches and comparisons from our 'Who To Start' tool for JK Dobbins, Ashton Jeanty, Omarion Hampton, Jonathan Taylor, Jahmyr Gibbs, David Montgomery, Travis Etienne compared to others:
More Fantasy Football Analysis
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