Los Angeles Rams vs. Detroit Lions Start Em Sit Em Week 15 2025 Fantasy Breakdown

Rams

Sunday playoff implications and a little quarterback rivalry flavor: this one has it all for Rams vs. Lions. Matthew Stafford, facing his former team, always carries extra juice, and with Detroit’s defense once again dealing with injuries and inconsistencies, fantasy managers should be circling this matchup in bold.

Bottom line: this game sets up beautifully for Rams fantasy production.

Rams Starts

QB Matthew Stafford – Rams

Stafford vs. Goff comes with a clear narrative, and the edge goes to the Rams. Detroit’s defense has been shredded again in recent weeks, particularly through the air. Stafford is playing loose, confident football, and this matchup screams volume and efficiency.

Fantasy outlook: High-end QB1, potential top-5 finish.

RB Kyren Williams – Rams

RB Blake Corum – Rams

Both backs have carved out fantasy-relevant roles, and both continue to produce starter-level numbers. Kyren remains the engine, while Corum’s usage keeps him firmly in flex territory. Against a Lions defense that’s struggled to contain the run, both backs should be involved.

Fantasy outlook:

• Williams: RB1/RB2 lock

• Corum: Strong flex play

Rams OC describes why Blake Corum is having so much success in 2025 – Mike Masala via The Rams Wire

WR Puka Nacua – Rams

Nacua exploded for two touchdowns last week and remains one of the toughest covers in football. Even if the Lions shade coverage his way, Stafford will continue to feed him. Expect another productive outing, with at least one score well within reach.

Fantasy outlook: Elite WR1.

WR Davante Adams – Rams

Adams may not dominate headlines every week, but this secondary is vulnerable, especially in the red zone. His route-running and physicality give him a major advantage in this matchup.

Fantasy outlook: WR2 with strong touchdown upside.

Sleeper

TE Colby Parkinson – Rams

Parkinson continues to quietly hang around the fantasy radar, seeing steady usage and remaining involved near the goal line. Tight end has been a minefield this season, and Parkinson’s recent consistency makes him an intriguing sleeper.

Fantasy outlook: Sneaky TE2 with upside.

Detroit Lions – Fantasy Player Breakdown

detroit lions jahmyr gibbs
Detroit Lions running back Jahmyr Gibbs (26) celebrates his touchdown in the end zone, during the Thursday Night Football at Ford Field in Detroit on Thursday, Dec. 5, 2024.

Jared Goff (QB)

Goff has quietly been one of the steadier fantasy quarterbacks down the stretch, doing his damage by efficiently spreading the ball around. Detroit’s offense stays balanced, but when the matchup tilts pass-heavy, Goff is capable of stacking yards and multiple scores without forcing the issue.

Start – Jahmyr Gibbs (RB)

Gibbs has been the best running back in fantasy football this season, period. His explosiveness, usage in the passing game, and red-zone involvement make him matchup-proof. Lock him into your lineup as an elite RB1 with overall RB1 upside every week.

Flex – Amon-Ra St. Brown (WR)

St. Brown is playing a bit banged up, which slightly caps his ceiling, but his floor remains rock solid. He’s still the engine of the passing game and a safe flex or WR2 who can grind out points even if Detroit leans on the run.

Jameson Williams (WR)

Williams continues to flash big-play upside when his number is called. The speed is game-changing; he just needs to cash in with a touchdown to deliver a strong fantasy day. Boom-or-bust, but the boom is very real this week.

NOTEBOOK: Rookie WR Isaac TeSlaa could see more opportunities – Tim Twentyman via Detroitlions.com

Sleeper – Isaac Tesla (WR)

Tesla has quietly become a touchdown machine. He and Jameson Williams are tied in scores, and his red-zone role keeps him firmly on the streaming radar. If you’re hunting for a sneaky touchdown, Tesla fits the bill.

Sit – David Montgomery (RB)

The Rams ‘ defense will be tough. Hard one to call for Montgomery this week.

Sit Detroit D/ST

Not a favorable matchup coming in this week against the Rams ‘ offense.

Final Take

The Rams enter this matchup with momentum, confidence, and a quarterback who knows exactly how to exploit Detroit’s weaknesses. Stafford, Nacua, and the Rams’ backfield are all in prime positions to deliver fantasy value, while Detroit finds itself once again trying to patch holes defensively.

If you’re leaning Rams-heavy this week, you’re doing it right.

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