Week 15 NFL 80/20 Betting System Update

This year, we’ve highlighted the 80/20 Rule in regards to NFL betting. The 80/20 NFL Rule refers to games where a home underdog is receiving 20% or fewer of spread bets (using Sports Insights’ NFL Betting Trends Data). Last week, the system went 2-0, as both Washington and Arizona covered the spread, improving the system’s…