Start Brock Purdy or Trevor Lawrence? Week 9

Our Week 9 call

Start Brock Purdy over Trevor Lawrence in Week 9.

Market-based projections have Brock Purdy at 21.8 points and Trevor Lawrence at 17.1, a gap of 4.7. Drafters take Brock Purdy at ADP 86 and Trevor Lawrence at 97.

What the market projects

Player markets imply 21.8 fantasy points for Brock Purdy, with 100 percent of the markets a QB needs posted.

The market-based projection for Brock Purdy is 246 passing yards, 2-3 passing touchdowns, 15 rushing yards and 0.2 rushing touchdowns (12, 13, 10 and 9 market sources).

Player markets imply 17.1 fantasy points for Trevor Lawrence, with 100 percent of the markets a QB needs posted.

The market-based projection for Trevor Lawrence is 236 passing yards, 1-2 passing touchdowns, 12 rushing yards and 0.2 rushing touchdowns (13, 15, 10 and 13 market sources).

That puts Brock Purdy 4.7 points ahead of Trevor Lawrence on the market projections.

Week 9 matchups

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

LV allowed 20.6 fantasy points a game to QBs this season over 8 games, the 5th most in the league.

Quarterbacks threw for 251 yards and 2.3 touchdowns a game against LV, with 0.8 interceptions a game.

Trevor Lawrence and JAX visit BAL on Thursday at 8:15 PM ET.

BAL allowed 18.6 fantasy points a game to QBs this season over 8 games, the 12th most in the league.

Quarterbacks threw for 242 yards and 1.4 touchdowns a game against BAL, with 0.5 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.

Trevor Lawrence 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 8, Trevor Lawrence played 95 percent of JAX snaps, dropped back 219 times and threw an average of 8.3 air yards per attempt.

Trevor Lawrence, Week 4 against CIN: 61 of 61 snaps, 18 of 23 passes for 227 yards, 1 touchdown and 0 interceptions, 1 carry for 2 yards.

Trevor Lawrence, Week 5 against PHI: 72 of 72 snaps, 24 of 39 passes for 331 yards, 2 touchdowns and 1 interception, 3 carries for 25 yards.

Trevor Lawrence, Week 6 against HOU: 71 of 71 snaps, 24 of 41 passes for 306 yards, 4 touchdowns and 1 interception, 2 carries for 12 yards.

Trevor Lawrence, Week 8 against IND: 44 of 54 snaps, 10 of 14 passes for 210 yards, 3 touchdowns and 0 interceptions, 3 carries for 10 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, Trevor Lawrence played 17 games for JAX and scored 350.2 PPR points, 20.6 a game, finishing QB4.

He completed 341 of 560 passes for 4007 yards, 29 touchdowns and 12 interceptions, and ran 82 times for 359 yards and 9 touchdowns.

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

Their other Week 9 calls

• Start Brock Purdy over Caleb Williams.
• Start Brock Purdy over C.J. Stroud.
• Start Dak Prescott over Brock Purdy.
• Start Trevor Lawrence over Baker Mayfield.
• Start Trevor Lawrence over Bo Nix.
• Start Trevor Lawrence over Bryce Young.