Caleb Williams vs Patrick Mahomes

Who should you start in Week 4? This week's matchups and projections.

QB7
Caleb Williams
CHI · Bye 10
298.6
projected 2026 points (PPR)
Season-long pick
VS
QB10
Patrick Mahomes
KAN · Bye 5
280.1
projected 2026 points (PPR)

Who to start in Week 4

This week is a coin flip. The model leans Patrick Mahomes by 0.1 projected points (17.9 vs 17.8), close enough that either call is defensible.

Patrick Mahomes faces LV, the 5th-friendliest matchup a QB can draw this week. Caleb Williams faces NYJ, the 15th-friendliest matchup a QB can draw this week.

Season-long, the model still ranks Caleb Williams ahead. This is a matchup call for Week 4, not a change of heart about the rest of the year.

This-week points are each player's projected per-game scoring rate adjusted for the matchup.

The season-long call

The model takes Caleb Williams, and it isn't close: 18.5 points of value over replacement separate them (27.8 vs 9.3).

The draft market agrees: Caleb Williams goes first at ADP 86.0 vs 104.0 for Patrick Mahomes.

Health note: Caleb Williams carries an injury flag of Out (Hamstring), which is already reflected in his projection.

Setting your whole lineup? Sync your league and get a start/sit call for every roster slot, adjusted for this week's matchups and practice reports.
Optimize my lineup
Caleb WilliamsCHI Patrick MahomesKAN Edge
Week 4 opponent NYJ LV
Projected Week 4 points 17.8 17.9 Mahomes +0.1 pts
Matchup rank (QB vs defense, of 32) #15 #5
Projected 2026 points (PPR) 298.6 280.1 Williams +18.5 pts
Points per game 17.6 16.5
Value over replacement (VBD) 27.8 9.3 Williams +18.5
Overall rank #48 #63 Williams by 15
Position rank QB7 QB10
Market ADP 86.0 104.0 Mahomes +18.0 cheaper
Typical round (12-team) Rd 8 Rd 9
Bye week 10 5
Injury flag Out None

Should I start Caleb Williams or Patrick Mahomes in Week 4?

This week is a coin flip. The model leans Patrick Mahomes by 0.1 projected points (17.9 vs 17.8), close enough that either call is defensible.

Should I draft Caleb Williams or Patrick Mahomes in 2026 fantasy football?

Caleb Williams. He projects 298.6 fantasy points with 27.8 value over replacement, vs 280.1 points and 9.3 for Patrick Mahomes (QB, PPR).