Adjusted Sack Rate is a football analytics metric that counts sacks plus intentional grounding penalties per pass attempt, adjusted for down, distance, and opponent.

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American football analytics involves the application of data science and statistical models to evaluate player performance and optimize game strategies. The sport's frequent stoppages and specialized coaching roles provide extensive opportunities for data collection and analysis. While fantasy football has popularized player-focused metrics, advanced analytics in the sport also encompass broader strategic models, despite the challenges of accounting for the high impact and randomness of individual scoring events.

American Football Analytics

Metric that gives the number of yards per carry belonging to the offensive line. Most people focus on the ball carriers statistic but the big men play an arguably more important role in the run.

Adjusted Line Yards

Accounts for the total yards per pass attempt of a quarterback and awarding bonuses for touchdowns and penalties for interceptions. The formula is (pass yards + 20*(pass TD) - 45*(interceptions thrown) - sack yards) / (passing attempts + sacks).

Adjusted Net Yards Per Pass Attempt

Adjusted Sack Rate

A metric that is used in most sports and important for sports betting models. Represents the expected number of points to be scored by a team given the down, distance, field position, and time remaining.

Expected Points

Yards accumulated by a receiver after the catch.

Yards After Catch

Measures the rate at which air yards are converted to passing yards. The formula is $$\frac{\text{passing yards}}{\text{air yards}}$$.

Passing Air Conversion Ratio

A football analytics metric that quantifies how difficult a ball carrier is to tackle, rewarding missed tackles forced and yards gained after contact. The formula is $$\frac{\text{Missed Tackles Forced}}{\text{Designed Run Attempts} + \text{Receptions}} \times \left(\text{Yards After Contact Per Attempt} \times 100\right)$$.

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