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Compare two players
Put two players who do the same job side by side. For each stat you see where both rank in the league, and whether the gap between them is bigger than the noise a few plays create.
Grades updated Rechecked every few hours on game days
San Francisco 49ers · QB
Seattle Seahawks · QBOn the stats that count, Brock Purdy and Drew Lock are too close to separate with the plays we have. 4 are too close to call.
The year so far: EPA per dropback
Where each has ranked among quarterbacks after every week. Solid line is Brock Purdy, dashed is Drew Lock.
Stat by stat
EPA per dropback
Too close to callA +0.442nd of 40
−0.19worse to better+0.27B +0.451st of 40
Success rate
Brock Purdy is slightly aheadA 57%1st of 40
37%worse to better51%B 50%7th of 40
Accuracy over expected
Too close to callA +4.6 pts11th of 38
−3.2 ptsworse to better+6.1 ptsB +6.9 pts2nd of 38
Bad throws (lower is better)
Too close to callA 12.6%14th of 38
19.0%worse to better10.0%B 12.0%12th of 38
Sack rate (lower is better)
Too close to callA 2.1%1st of 40
10.4%worse to better3.7%B 4.0%6th of 40
Style
- Average depth of throwBrock Purdy: 8.1 yds · Drew Lock: 7.6 yds
- Deep throwsBrock Purdy: 9% · Drew Lock: 10%
- Play-action dropbacksBrock Purdy: 23% · Drew Lock: 34%
- BlitzedBrock Purdy: 32% · Drew Lock: 36%
- Leaves the pocketBrock Purdy: 19% · Drew Lock: 16%
“Clearly ahead” means the gap is bigger than what the plays behind each number could produce by chance. “Slightly” means it points one way but could still be noise.
Data: nflverse play-by-play, CC BY 4.0. Also FTN charting, Pro Football Reference advanced stats, snap counts and injury reports, all through nflverse. Calculations and charts by Raiders Rundown.
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