NFL picks 12/15: Miami Dolphins @ Pittsburgh Steelers

Miami Dolphins
@

Pittsburgh Steelers
Monday, December 15, 2025 at 8:15 PM ET

Miami heads to Acrisure Stadium on Monday night with momentum and a physical identity; Pittsburgh brings home-field Monday Night history and a roster dealing with an unexpected medical absence. The line sits tight at Pittsburgh -3.0 with a 42.5 total — a classic spot for a close, low-to-medium scoring AFC matchup.

Team Analysis

Miami

  • Season overview and recent form

Miami (6-7) has ripped off a multi-game surge after a 1-6 start, winning five of six and entering Week 15 on a four-game winning streak. – The Dolphins leaned on a dominant ground game in their most recent 34-10 win over the Jets, rushing for 239 yards and converting in the red zone efficiently. – Key contributors: Tua Tagovailoa (returning health questions earlier in the year but active recently), De’Von Achane (workhorse when healthy) and a defensive secondary that has produced splash plays.

Pittsburgh

  • Season overview and recent form

Pittsburgh (7-6) sits ahead in the AFC North and just beat Baltimore in a close divisional game, carrying momentum into prime-time at home. – The Steelers are a classic Mike Tomlin Monday Night team with a long home MNF winning run; Tomlin’s squads typically play tight, physical games in prime time. – Major roster news: superstar edge rusher T.J. Watt underwent surgery for a partially collapsed lung and will not play Monday night, a severe blow to Pittsburgh’s pass-rush profile.

Key Matchup Factors

  • Head-to-head history

– The series is historically close; Pittsburgh holds a slim edge in the all-time matchup, but recent meetings are split and competitive. Mike Tomlin has a winning record vs. Miami.

  • Important player matchups

Dolphins run game vs. Steelers front seven: Miami’s physical rushing attack (239 yards vs Jets) will test Pittsburgh’s run-defense discipline and gap control; without Watt, the Steelers’ ability to generate splash pass-rush plays drops. – Tua Tagovailoa vs. Pittsburgh secondary: If Tua operates cleanly, Miami can sustain drives and chew clock; Pittsburgh’s secondary has been opportunistic at times but ranks inconsistently.

  • Key Injuries and news

T.J. Watt — out after lung surgery; recovery expected but not for Monday. This is the biggest game-day roster swing. – De’Von Achane — noted with limited practice/rib concern after the Jets game; his status and snap-share matter for Miami’s rushing ceiling. – DK Metcalf (PIT) — question marks after a stomach issue evaluation post-Baltimore game; coaches said availability not in peril but monitor pregame reports.

  • Home/away performance

– Miami is improving on the road but has been inconsistent away (2-4 on the road noted during the week’s previews). Pittsburgh is solid at home and historically strong on Monday nights. Home-field small edge to Pittsburgh.

Betting Analysis

  • Spread analysis

– DraftKings and several books have the line around Pittsburgh -3.0 (some shops at -3.5); public consensus leans towards Pittsburgh but Miami money has ticked action in some books. – The Watt absence compresses Pittsburgh’s edge; -3 is respectably tight given Pittsburgh’s home MNF advantage and Miami’s streak. Market movement across FanDuel and Fanatics shows similar territory.

  • Total (over/under) analysis

– The market total is 42.5, a middling line that reflects two competent defenses and some offensive firepower. Weather forecasts for Pittsburgh show cold, partly cloudy conditions with moderate winds — a factor that can shave passing efficiency and favor a lower-scoring game. – Miami’s recent games suggest they can control the clock via the run; Pittsburgh’s offense has been efficient but not explosive every week. With Watt out and Achane’s health a question, the game projects to be possession-heavy and clock-eating.

  • Best value opportunities

Side value: The most actionable edge is teasing Pittsburgh slightly — if you prefer dog value, Miami +3.5 at some shops would be the contrarian play given their streak and Steelers’ injury hits. Look around for -3 vs -3.5 edges. – Total value: Lean small on the Under 42.5 — the combination of cold weather, Watt’s absence, Miami’s run-first posture in recent weeks, and Mike Tomlin’s conservative MNF game scripts points to fewer drives and lower aggregate scoring. Seek under -110 or better across books.

  • Prediction

– Expect a tight, low-to-moderate scoring affair. Pittsburgh’s home-field and coaching edge keep them slight favorites, but Miami’s physical run game and defensive splash plays make an upset or close cover very plausible. – Projected score (model): Steelers 20, Dolphins 16 — a one-possession Steelers win that lands inside the spread and under the total.

Final pick: Play Pittsburgh -3.0 (small unit) and key secondary play Under 42.5 as Wannamakeabet’s top two plays. If you prefer upset equity, a lean on Miami +3.5 at shops offering half-point lines is the best contrarian value.

Remember — bankroll management is everything. Wannamakeabet’s points-based system favors small, repeatable units on market inefficiencies; this spot grades as a low-to-medium confidence play (use smaller unit sizing) given the injury-driven variance and Miami’s recent form.

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