← All NFL picks for Sunday, December 21, 2025

Pittsburgh Steelers vs Detroit Lions

Sunday, December 21, 2025 — NFL Prediction & Pick

Our model leans Detroit Lions
strong lean

The model leans Detroit Lions primarily because of advantages in Market line and Context. The projected margin is DET by 6.0 points. That lean is driven mainly by market line and context. Form pulls the other way.

On balance, more tracked inputs leaned Detroit Lions (2 edges vs 1 for Pittsburgh Steelers).

The model's lean lines up with that edge count. The score model and the raw stat comparison point the same way.

Matchup Breakdown

Market line — leans Detroit Lions

Market line is a large contribution and supports DET by about 2.4 points of margin. The market spread feature is -7.5.

Context — leans Detroit Lions

Context is a large contribution and supports DET by about 0.6 points of margin.

Form — leans Pittsburgh Steelers

Form pulls the other way and favors PIT by about 0.5 points of margin.

Betting Lines

Detroit Lions -7.5 (Matchbook) | O/U 52.0 (Matchbook)

Final Score

Pittsburgh Steelers 29, Detroit Lions 24 — Pittsburgh Steelers win — Model pick was incorrect

This analysis is generated by a statistical model and is intended for informational and entertainment purposes only. It does not constitute financial or betting advice. Past model performance does not guarantee future results. Please gamble responsibly.