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Week 15 Monday Night DFS Lineup: De'Von Achane, Kenneth Gainwell, Jaylen Waddle and More

Morgan puts together a DFS lineup for the week 15 Monday night game between the Eagles and Chargers.

Morgan Rode Dec 15th 10:45 AM EST.

Dec 7, 2025; East Rutherford, New Jersey, USA; New York Jets safety Isaiah Oliver (26) tackles Miami Dolphins running back De'Von Achane (28) during the first half at MetLife Stadium. Credit: Vincent Carchietta-Imagn Images
Dec 7, 2025; East Rutherford, New Jersey, USA; New York Jets safety Isaiah Oliver (26) tackles Miami Dolphins running back De'Von Achane (28) during the first half at MetLife Stadium. Credit: Vincent Carchietta-Imagn Images

Week 15 of the NFL regular season wraps up with a game between the Miami Dolphins and Pittsburgh Steelers. Let's put together a DFS lineup for the contest.

We have a $50,000 budget to spend on six players. There's five flex spots and one captain, who costs 1.5 times as much, but also scores 1.5 times as much.

Let's see what we can come up with!

Check out player prop bets, prop bet rankings and public betting splits on FantasySP all season! 

Captain - Kenneth Gainwell ($10,500)

Gainwell gets the captain spot for this DFS lineup. He's a pretty solid price and is set up pretty well for this one.

He's averaging 11.6 fantasy points per game this season and scored 16.2 last week. Gainwell has a pretty average matchup ahead, but with a bigger role of late, I see him putting up a healthy fantasy total.

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Ideally, he scores more fantasy points than Jaylen Warren, and can put up one of the top fantasy scores tonight. That probably means he needs to score a time or two, but I don't think that's a crazy ask.

Flex - De'Von Achane ($12,800)

Achane is past an injury concern and good to go for Monday night.

He's averaging 21.8 fantasy points per contest on the season, and has at least 16.6 in six straight games. Achane has a slightly below-average matchup, but I'm not worried about the top-end fantasy back.

Achane has a chance to be the top-scoring player tonight, but simply cost too much to utilize in the captain spot. 

Flex - Jaylen Waddle ($10,800)

Waddle also has a chance to lead all fantasy scorers tonight, but just costs too much.

He's averaging 13.8 points per contest this season, and had 18.1 last week. Waddle has a very favorable matchup tonight, so he could go for 20+ points tonight, especially if he finds the end zone.

Waddle and Achane cover me for a good chunk of what the Miami offense could do tonight. If they can give me 40+ points, I should be set up pretty well. I think they could deliver 50+ points.

Flex - Darren Waller ($4,400)

Waller is the other big part of the Dolphins' offense.

He only scored 2.7 fantasy points last week, after having 6.7 points in his first game back from injury. Waller is averaging 9.2 fantasy points per contest over six games played.

I like his matchup, as it's very favorable. I'd like for him to score in double figures. I just hope I don't regret not utilizing him in the captain spot - I just feel Gainwell has a better chance to score fantasy points tonight.

Flex - Riley Patterson ($5,000) and Chris Boswell ($5,400)

I had $11,500 to spend, and decided to add the kickers from both teams instead of a high-priced player and a lottery ticket.

Patterson is averaging 8.5 fantasy points per game, and has at least 11 fantasy points in three straight. I want the Dolphins to score touchdowns (with Achane, Waller or Waddle), but if drives break down, hopefully Patterson can knock in a field goal or two.

Boswell is averaging 9.1 fantasy points per game, and had nine in his last game. I think the Steelers will move the ball as well, but I'd love for a few drives to break down, so Boswell can get some field goals of his own.

If you are into the kicker matchups, Boswell has a tougher one, while Patterson's matchup is pretty favorable.

Final Thoughts

This is a weird final DFS lineup, but I like how I'm set up.

Achane is my big-time fantasy asset in this lineup, so he needs to lead the way. Waddle, Gainwell and Waller are all capable of double-digit or better outings, and I'm going to need them to deliver as well.

I didn't love taking two kickers, especially while leaving $1,100 on the table, but I feel the kickers gave me the best chance to score fantasy points over the other options left.

However, I ended up leaving a number of good fantasy assets unpicked, so if you don't like my lineup, there's a number of different ways you could go. I didn't take either quarterback (Aaron Rodgers or Tua Tagovailoa), Warren, DK Metcalf or either DST. 

You could have swapped the kickers in my lineup for any of those players, but then been left with really poor choices for the final lineup spot.

There's a number of different options you could have gone with, so best of luck with whatever DFS lineups you choose to unleash tonight!

#start-sit-decision #week-15 #dfs

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