Spread Analytics
Key Numbers in NFL Point Spreads: Why 3, 7, and 10 Rule Football
Because scoring occurs in increments of 3 (field goal) and 7 (touchdown), margins cluster heavily around specific numbers.
The Magic of 3 and 7
3 points accounts for 15.1% of all game outcomes; 7 points accounts for 9.3%. Getting +3.5 instead of +2.5 is the single biggest statistical edge in football pools.