Brock PurdyorTrevor Lawrence?

Week 4 start/sit decision, quarterback versus quarterback.

Our call

Start Brock Purdy

Brock Purdy outscores Trevor Lawrence in 58% of simulations.

Trevor Lawrence still comes out ahead in the other 42%, so Brock Purdy is the better bet, not a sure thing. Brock Purdy projects 2.2 half-PPR points ahead in Week 4. Trevor Lawrence has the better matchup against the Cincinnati Bengals (9% more than average to QBs); Brock Purdy faces the Denver Broncos (11% fewer than average to QBs). Brock Purdy still wins more often despite that.

Range of outcomes, half-PPR

Brock Purdy
Floor
11.1
Median
20.5
Ceiling
34.3
Big game (25+):
33%
Dud (under 12):
13%
Trevor Lawrence
Floor
9.4
Median
18.2
Ceiling
30.8
Big game (25+):
23%
Dud (under 12):
20%

Each week is simulated thousands of times from the projection and the player’s usual week-to-week swing. Floor and ceiling are the 10th and 90th percentile: 8 weeks in 10 land between them.

StatBrock PurdyQB, SF, Sun, Oct 4, 4:25 p.m. ETTrevor LawrenceQB, JAX, Sun, Oct 4, 1:00 p.m. ET
Half-PPR projection21.819.6
PPR projection21.819.6
Standard projection21.819.6
Rank this weekQB2QB5
Matchupvs DENat CIN
InjuryNoneNone
2026 points per game27.017.4
Last season per game19.719.9
Snap share, last game100%95%
Trade value387