Passer Rating vs EPA: Which Tells You More?
Why we rank quarterbacks by EPA per dropback, and what passer rating still gets right.
Read Article →Compare Quarterbacks
Compare any two NFL quarterbacks or receivers, any seasons, side by side. The default matchup is 2026's top two quarterbacks by EPA per dropback: Brock Purdy and Lamar Jackson.
Side by Side: Brock Purdy vs Lamar Jackson, 2026
| Stat | Brock Purdy | Lamar Jackson |
|---|---|---|
| EPA per Dropback | +0.39 | +0.38 |
| ACE (Accuracy Compared to Expectation) | +9.8 | +8.4 |
| ACE per 100 Attempts | +5.8 | +9.0 |
| Success Rate | 54.2% | 57.7% |
| NFL Passer Rating | 118.1 | 119.6 |
| Adjusted Net Yards per Attempt | 9.21 | 9.50 |
| Completion % | 69.6% | 70.8% |
| Yards per Attempt | 8.5 | 10.1 |
| Passing Yards | 1,460 | 967 |
| Passing Touchdowns | 14 | 6 |
| Interceptions Thrown | 2 | 1 |
| Sack % | 2.8% | 6.8% |
| Average Depth of Target | 8.0 | 10.4 |
QBS BLOG · PASSING QUESTIONS · MINDSET
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Completion percentage over expected gives credit for difficult completions. Here is how ACE measures it.
Read Article →Why Sacks Belong Partly to the Quarterback
A sack is the rush, the line and the decision. Why our dropback stats count them.
Read Article →FROM THE A-GAME PODCAST
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Explore the Rankings
Quarterbacks, receivers and QB-to-receiver connections: leaders, every leaderboard and a full ranking table for each.