Detroit Lions Large Underdog (+7.5+) Betting Trend
ATS Record, ROI Analysis & Historical Performance Data (2014-2024)
The public often underestimates the Detroit Lions in this spot. Since 2014, when playing as large underdog (+7.5+), the Detroit Lions hold a record of 13-7-0 against the spread. That's a 0.0% win rate and a +24.1% return on investment—meaning a bettor wagering $100 per game would be up $5 over this period.
Year-by-Year Performance
| Season | Record | Win % | ROI |
|---|---|---|---|
| 2014 | 3-1-0 | 0.0% | +43.2% |
| 2015 | 3-0-0 | 0.0% | +90.9% |
| 2017 | 1-0-0 | 0.0% | +90.9% |
| 2018 | 1-0-0 | 0.0% | +90.9% |
| 2019 | 1-1-0 | 0.0% | -4.5% |
| 2020 | 1-1-0 | 0.0% | -4.5% |
| 2021 | 0-2-0 | 0.0% | -100.0% |
| 2022 | 2-0-0 | 0.0% | +90.9% |
| 2023 | 0-1-0 | 0.0% | -100.0% |
| 2024 | 1-1-0 | 0.0% | -4.5% |
Why This Trend Exists
The Lions' success as large underdogs stems from their organizational culture of playing with nothing to lose when expectations hit rock bottom. Detroit has historically been written off in these spots, creating a psychological advantage where players can focus purely on execution without the weight of expectations. The franchise's long-suffering fanbase and underdog identity actually fuel performance when the betting public completely dismisses them. Strategically, Detroit tends to simplify their game plan as heavy underdogs, often abandoning complex schemes that haven't worked consistently. This back-to-basics approach, combined with opponents potentially overlooking preparation or playing down to competition, creates profitable opportunities. The Lions also benefit from coaches having nothing to lose in these scenarios, leading to more aggressive fourth-down decisions and creative play-calling that can catch favored teams off guard. The sample size limitation since 2014 suggests these spots are rare for Detroit, making each occurrence more meaningful from a variance perspective. Teams that rarely find themselves as massive underdogs often respond differently than perennial bottom-feeders who become numb to low expectations. This trend carries the most weight in divisional games or against playoff-bound teams resting starters, where motivation gaps become most pronounced and the Lions can steal covers through pure effort differential.
Frequently Asked Questions
What is the Detroit Lions's ATS record as large underdog (+7.5+)?
The Detroit Lions have gone 13-7-0 against the spread (ATS) when listed as large underdogs of +7.5 points or more from 2014-2024. This represents a 65% ATS success rate over 20 games in this situation.
Is betting on the Detroit Lions as large underdog (+7.5+) profitable?
Yes, betting on the Detroit Lions as large underdogs has been highly profitable with a 24.1% ROI from 2014-2024. Despite never winning outright in these games (0.0% win rate), they consistently covered the spread at a 65% rate.
How does this compare to the league average?
The Lions' 65% ATS rate and 24.1% ROI as large underdogs significantly outperforms typical league averages. Most teams struggle to cover large spreads consistently, making Detroit's performance in this spot exceptionally strong for bettors.
BACK This Trend
This trend shows a historically profitable pattern. Compare odds across sportsbooks to find the best line.
Compare Sportsbook OddsMethodology
All trends in The Archives are calculated from official game results and closing point spreads from 2014 to 2024. ROI assumes a flat $100 bet at standard -110 juice. Win rate is calculated as wins divided by total decisions (pushes excluded). A minimum of 10 games is required for a trend to be published. Data is sourced from The Odds API and verified against official league records.