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What to do with Dolphins RBs Raheem Mostert, De’Von Achane in Week 15 for fantasy football

Achane enters Week 15 vs. the Jets as questionable. Mostert has been a top back all season. We go over the fantasy football approach for the playoffs.

Raheem Mostert of the Miami Dolphins runs the ball during an NFL football game against the Tennessee Titans at Hard Rock Stadium on December 11, 2023 in Miami Gardens, Florida. Photo by Cooper Neill/Getty Images

The Miami Dolphins enter Week 15 vs. the New York Jets banged up on offense. There’s a good chance we don’t see WR Tyreek Hill on the field in Miami on Sunday afternoon. There’s also a chance RB De’Von Achane sits out another game due to a toe injury. That may leave you shorthanded in fantasy football for your big playoff matchup in Round 1 this week. That also could leave RB Raheem Mostert in a very good spot again for fantasy. We’re looking at what to do with Achane and Mostert.

Fantasy football start sit advice: Dolphins RBs

De’Von Achane

This is a tough situation because you always run the risk of re-injury for Achane, who burst onto the scene in Week 3 vs. the Broncos. He then missed a big chunk of the season after landing on IR with a knee injury. Achane returned in Week 13 but is back on the injury report and may be held out again. So from the get-go you need to proceed with caution. That could mean going with another option at RB if you have a deep roster. That would be a tough decision but could be the safer play. If Achane is active and we don’t have reports saying he’ll be held back at all, it’s tough to bench him. But also know if Achane is active, Mostert will still eat a lot of the snaps and usage.

Raheem Mostert

You kind of have to start Mostert no matter what. Even when Achane has been at his best and healthy, Mostert has been able to produce in fantasy football. In Week 13 when Achane returned, he had 20 touches for 103 total yards and two TDs. Mostert still had 12 touches for 51 yards and a TD in that game vs. the Commanders. So if you’re a Mostert manager, don’t feel scared off if Achane is active. Mostert will still get his and may even lead the backfield if Miami wants to keep Achane fresh for the playoffs.

Can you play both Achane and Mostert in the same lineup?

Sure. We’ve seen it pay off in the past. Conditions in Miami are expected to be windy, so that favors the run game. It’s also a game against the Jets, who have a decent defense but should also turn the ball over and put the Dolphins in good field position. If the Dolphins run away with the game, we could see a similar situation to earlier in the season when they won 34-13.

In that game, Achane was out and Mostert led the backfield with 20 carries for 94 yards and two TDs. We also saw Jeff Wilson Jr. and Darryton Evans combine for 16 touches and 89 yards against New York. If Hill sits, you’d think the Dolphins lean on the run even more. So absolutely if Achane and Mostert are both healthy for Week 15, you can play both in the same lineup. It’s risky and not ideal but not the craziest of fantasy plays.