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Start Caleb Williams or Brock Purdy? Week 9

Updated Nov 3, 4:36 AM ET.

Start Brock Purdy over Caleb Williams

Start

Brock Purdy

QB · SF · vs LV

Market projects
20.6
recent weeks avg
LV D vs QB
20.8
5th most to QBs (2026)
Snap share
98%
Through Week 7
Sit

Caleb Williams

QB · CHI · vs TB

Market projects
18.0
recent weeks avg
TB D vs QB
14.7
6th fewest to QBs (2026)
Snap share
97%
Through Week 7

Should I drop Caleb Williams for Brock Purdy?

Yes, on the rest of the season. Brock Purdy projects 158 market-implied PPR points from Week 9 through Week 17 (17.5 a game over 9 games), Caleb Williams 148 (18.5 a game over 8 games). For Week 9 the call starts Brock Purdy over Caleb Williams.

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Our Week 9 call

Start Brock Purdy over Caleb Williams in Week 9.

Market-based projections have Brock Purdy at 20.6 points and Caleb Williams at 18.0, a gap of 2.5. No player market is posted for Brock Purdy this week yet, so his 20.6 is the average of his market-based projections in Weeks 6 and 7 (22.6 and 18.5); the call is rebuilt when his market posts. No player market is posted for Caleb Williams this week yet, so his 18.0 is the average of his market-based projections in Weeks 6, 7 and 8 (18.0, 18.5 and 17.6); the call is rebuilt when his market posts. Drafters take Brock Purdy at ADP 86 and Caleb Williams at 87.

What the market projects

No Week 9 player market is posted for Brock Purdy yet. His market-based projections were 22.6 and 18.5 points in Weeks 6 and 7, an average of 20.6, which stands in until his Week 9 market posts.

No Week 9 player market is posted for Caleb Williams yet. His market-based projections were 18.0, 18.5 and 17.6 points in Weeks 6, 7 and 8, an average of 18.0, which stands in until his Week 9 market posts.

That puts Brock Purdy 2.5 points ahead of Caleb Williams on these projections.

Week 9 matchups

Brock Purdy and SF host LV on Sunday at 4:25 PM ET.

LV allowed 20.8 fantasy points a game to QBs this season over 7 games, the 5th most in the league.

Quarterbacks threw for 245 yards and 2.3 touchdowns a game against LV, with 0.7 interceptions a game.

Caleb Williams and CHI host TB on Sunday at 8:20 PM ET.

TB allowed 14.7 fantasy points a game to QBs this season over 7 games, the 6th fewest in the league.

Quarterbacks threw for 234 yards and 1.4 touchdowns a game against TB, with 1.1 interceptions a game.

By points allowed to the position, Brock Purdy has the softer matchup.

Injury status

Brock Purdy is not on the injury report.

Caleb Williams is not on the injury report.

Usage before Week 9

Through Week 7, Brock Purdy played 98 percent of SF snaps, dropped back 231 times and threw an average of 7.9 air yards per attempt.

Brock Purdy, Week 4 against DEN: 66 of 66 snaps, 19 of 29 passes for 218 yards, 2 touchdowns and 0 interceptions, 8 carries for 31 yards.

Brock Purdy, Week 5 against SEA: 60 of 60 snaps, 19 of 29 passes for 189 yards, 2 touchdowns and 1 interception, 3 carries for 8 yards.

Brock Purdy, Week 6 against WAS: 62 of 62 snaps, 21 of 29 passes for 264 yards, 1 touchdown and 0 interceptions, 5 carries for 28 yards.

Brock Purdy, Week 7 against ATL: 66 of 66 snaps, 27 of 39 passes for 288 yards, 1 touchdown and 2 interceptions, 2 carries for 5 yards.

Through Week 7, Caleb Williams played 97 percent of CHI snaps, dropped back 150 times and threw an average of 7.0 air yards per attempt.

Caleb Williams, Week 1 against CAR: 75 of 75 snaps, 21 of 29 passes for 269 yards, 2 touchdowns and 0 interceptions, 10 carries for 65 yards.

Caleb Williams, Week 2 against MIN: 64 of 74 snaps, 15 of 26 passes for 138 yards, 0 touchdowns and 1 interception, 5 carries for 42 yards.

Caleb Williams, Week 6 against ATL: 77 of 77 snaps, 30 of 36 passes for 305 yards, 1 touchdown and 0 interceptions, 3 carries for 4 yards.

Caleb Williams, Week 7 against NE: 69 of 69 snaps, 22 of 33 passes for 308 yards, 2 touchdowns and 0 interceptions, 4 carries for 19 yards.

Their 2025 seasons

In 2025, Brock Purdy played 9 games for SF and scored 187.4 PPR points, 20.8 a game, finishing QB24.

He completed 197 of 284 passes for 2167 yards, 20 touchdowns and 10 interceptions, and ran 33 times for 147 yards and 3 touchdowns.

He was on the field for 98 percent of the offense's snaps in the games he played.

In 2025, Caleb Williams played 17 games for CHI and scored 325.2 PPR points, 19.1 a game, finishing QB5.

He completed 330 of 568 passes for 3942 yards, 27 touchdowns and 7 interceptions, and ran 77 times for 383 yards and 3 touchdowns.

He was on the field for 99 percent of the offense's snaps in the games he played.

Their other Week 9 calls

Locks at kickoff, graded after. When the start/sit engine grades week 9, the call and the result appear on the public record, wrong ones included.

Drop or keep

  • Should I drop Caleb Williams for Brock Purdy?

    Yes, on the rest of the season. Brock Purdy projects 158 market-implied PPR points from Week 9 through Week 17 (17.5 a game over 9 games), Caleb Williams 148 (18.5 a game over 8 games). For Week 9 the call starts Brock Purdy over Caleb Williams.

  • Should I drop Brock Purdy for Caleb Williams?

    No. Keep Brock Purdy: he projects 158 market-implied PPR points from Week 9 through Week 17 (17.5 a game over 9 games), Caleb Williams 148 (18.5 a game over 8 games). For Week 9 the call starts Brock Purdy over Caleb Williams.

Week 8 on the board

Elsewhere on the board