Start Brock Purdy or Justin Herbert? Week 1

Our Week 1 call

Start Brock Purdy over Justin Herbert in Week 1.

Justin Herbert is priced by the books at 9.4 projected points and Brock Purdy is not priced at all, so we are leaning on where drafters take them. Drafters take Brock Purdy at ADP 87 and Justin Herbert at 105.

What the books imply

No sportsbook posted a player market for Brock Purdy in Week 1.

Player prop markets imply 9.4 fantasy points for Justin Herbert, with 45 percent of the markets a QB needs posted.

Week 1 matchups

Brock Purdy and SF visit LAR.

LAR allowed 22.1 fantasy points to QBs in its one game this season, the 10th most in the league.

Quarterbacks threw for 205 yards and 3 touchdowns against LAR, with an interception.

Justin Herbert and LAC host ARI on Sunday at 4:25 PM ET.

ARI allowed 14.3 fantasy points to QBs in its one game this season, the 11th fewest in the league.

Quarterbacks threw for 209 yards and a touchdown against ARI, with an interception.

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

Injury status

Brock Purdy was not on the injury report when the call was made.

Justin Herbert was not on the injury report when the call was made.

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.

Brock Purdy, Week 18 of 2025 against SEA: 42 of 42 snaps, 19 of 27 passes for 127 yards, 0 touchdowns and 1 interception, 2 carries for 21 yards, 6.2 PPR points.

Brock Purdy, Week 17 of 2025 against CHI: 72 of 72 snaps, 24 of 33 passes for 303 yards, 3 touchdowns and 1 interception, 6 carries for 28 yards, 37.9 PPR points.

Brock Purdy, Week 16 of 2025 against IND: 63 of 66 snaps, 25 of 34 passes for 295 yards, 5 touchdowns and 1 interception, 2 carries for 11 yards, 31.9 PPR points.

In 2025, Justin Herbert played 16 games for LAC and scored 299.9 PPR points, 18.7 a game, finishing QB10.

He completed 340 of 512 passes for 3727 yards, 26 touchdowns and 13 interceptions, and ran 83 times for 498 yards and 2 touchdowns.

He was on the field for 97 percent of the offense's snaps in the games he played.

Justin Herbert, Week 17 of 2025 against HOU: 63 of 63 snaps, 21 of 32 passes for 236 yards, 1 touchdown and 1 interception, 6 carries for 37 yards, 16.1 PPR points.

Justin Herbert, Week 16 of 2025 against DAL: 64 of 64 snaps, 23 of 29 passes for 300 yards, 2 touchdowns and 0 interceptions, 8 carries for 42 yards, 30.2 PPR points.

Justin Herbert, Week 15 of 2025 against KC: 66 of 66 snaps, 19 of 29 passes for 210 yards, 1 touchdown and 1 interception, 2 carries for 0 yards, 11.4 PPR points.

How Week 1 went

Brock Purdy scored 22.1 PPR points and Justin Herbert scored 14.3.

The call was right: Brock Purdy outscored Justin Herbert by 7.8.

Brock Purdy, Week 1 against LAR: 65 of 65 snaps, 25 of 34 passes for 205 yards, 3 touchdowns and 1 interception, 5 carries for 29 yards, 22.1 PPR points.

Brock Purdy finished as the week's QB10 in PPR scoring.

Justin Herbert finished 4.9 points above the 9.4 the props implied.

Justin Herbert, Week 1 against ARI: 55 of 55 snaps, 17 of 27 passes for 209 yards, 1 touchdown and 1 interception, 5 carries for 29 yards, 14.3 PPR points.

Justin Herbert finished as the week's QB22 in PPR scoring.

Their other Week 1 calls

• Start Brock Purdy over Bo Nix.
• Start Brock Purdy over Caleb Williams.
• Start Brock Purdy over Jalen Hurts.
• Start Justin Herbert over Baker Mayfield.
• Start Justin Herbert over Bo Nix.
• Start Caleb Williams over Justin Herbert.