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2026 season · box score + nflverse play-by-play

Compare players

Player one
Brock PurdyQB · SF
Player two
Sione VakiRB · DET
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Lineup · up to 4
Brock PurdyQB · SFSione VakiRB · DET
Span
SeasonLast 4
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Metrics39/39
Usage
Passing
Rushing
Receiving
Defense
Brock Purdy
49ers logoSan Francisco 49ers

Brock Purdy

QBpos#13jersey26age6'1"height220lbs5seasons

Iowa State · 2022 draft, round 7, pick 262

VS9of 12 shown metrics led3
Sione Vaki
Lions logoDetroit Lions

Sione Vaki

RBpos#33jersey25age5'11"height216lbs3seasons

Utah · 2024 draft, round 4, pick 132

Questionable · Ankle

Across the 12 shown metrics with numbers for at least two players (2026 season): Purdy leads in 9 and Vaki leads in 3. A count of who is ahead, not a verdict: the metrics overlap and do not weigh the same.

Usage

PurdyVaki

Percentile chips: vs 34 QBs who played half the games, 2026 season

97.1%34thSnap share · average share of team snaps in the games he played25.3%34th
+80.096thTotal EPA+0.373rd

Passing

PurdyVaki

Percentile chips: vs 35 QBs who have 12+ dropbacks a week, 2026 season

1,98061stPass yards0
1784thTouchdowns0
551stInterceptions · lower is better0
+0.30696thEPA per dropback–
+4.984thCPOE · completion % over expected–
3.1%99thSack rate · lower is better–

Rushing

PurdyVaki
39Carries · official rush attempts30
201Rush yards135
5.2Yards per carry4.5
2Rush TD0
-0.020EPA per designed run-0.096

Receiving

PurdyVaki
0Targets8
0Receiving yards64
Advanced metrics24 more · tap to open

Usage

8Games with stats8
27740thPlays with EPA3834th

Passing

69.1%90thCompletion %–
8.490thYards per attempt–
55.0%96thSuccess rate–
8.161staDOT · average depth of target–

Rushing

15Designed runs in EPA · QB scrambles count as dropbacks, kneels are left out30
73.3%Success rate40.0%
010+ yard runs3

Receiving

0Receptions7
0Receiving TD0
–Catch rate87.5%
–Target share · of team targets in his games3.8%
–Air yards share1.0%
–EPA per target+0.402
–YAC per catch6.6
–aDOT2.0

Defense

0Tackles6
0Solo tackles3
0.0Sacks0.0
0Tackles for loss0
0QB hits0
0Passes defended0
0Interceptions0

Advanced rows are not part of the “metrics led” count. Pick exactly what you want under “Choose”.

Total EPA by week (bars) and running total (lines)Brock PurdySione Vaki
●Wk 1●Wk 2●Wk 3●Wk 4●Wk 5●Wk 6●Wk 7●Wk 8●Wk 9

Expected points added across every role (passing, rushing, receiving) in the nflverse play-by-play model, in the period you picked. Lines run the total; a missing bar is a week without plays. The dot marks the best week among the 2 players.

Matchups to start with

top passers · most targeted
Brock Purdy vs Trevor LawrenceJoe Burrow vs Josh AllenJared Goff vs Caleb WilliamsC.J. Stroud vs Jordan LoveCeeDee Lamb vs Jaxon Smith-NjigbaMatthew Golden vs Puka NacuaMichael Wilson vs Amon-Ra St. BrownChris Olave vs Malik Nabers

Box score totals from ESPN (regular season and playoffs; “last 4” is each player's four most recent games with a box score line). EPA, success rate, CPOE, aDOT, target and air-yard share from the nflverse play-by-play over the same games; snap share from nflverse snap counts. EPA per dropback includes sacks and scrambles. Carries are the official ESPN rush attempts; EPA per designed run leaves out quarterback scrambles (they count as dropbacks) and kneel-downs, so for a quarterback the two counts differ. Per opportunity divides counting stats by nflverse dropbacks (passing), ESPN targets (receiving) and ESPN carries (rushing); other counts go per game. Percentiles rank each value among players at the same position with enough volume in the same period (the same groups as the player cards: QBs 12 dropbacks a week, RBs 4.5 carries, wide receivers 2.5 targets, tight ends 2, defenders half the games; fewer than 8 peers, no percentile). The bars compare the players on the page only, not the league.