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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
Seattle Seahawks · QB
San Francisco 49ers · QBOn the stats that count, Drew Lock and Brock Purdy 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 Drew Lock, dashed is Brock Purdy.
Stat by stat
EPA per dropback
Too close to callA +0.451st of 40
−0.19worse to better+0.27B +0.442nd of 40
Success rate
Brock Purdy is slightly aheadA 50%7th of 40
37%worse to better51%B 57%1st of 40
Accuracy over expected
Too close to callA +6.9 pts2nd of 38
−3.2 ptsworse to better+6.1 ptsB +4.6 pts11th of 38
Bad throws (lower is better)
Too close to callA 12.0%12th of 38
19.0%worse to better10.0%B 12.6%14th of 38
Sack rate (lower is better)
Too close to callA 4.0%6th of 40
10.4%worse to better3.7%B 2.1%1st of 40
Style
- Average depth of throwDrew Lock: 7.6 yds · Brock Purdy: 8.1 yds
- Deep throwsDrew Lock: 10% · Brock Purdy: 9%
- Play-action dropbacksDrew Lock: 34% · Brock Purdy: 23%
- BlitzedDrew Lock: 36% · Brock Purdy: 32%
- Leaves the pocketDrew Lock: 16% · Brock Purdy: 19%
“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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