Baker Mayfield or Brock Purdy: Who Should You Start?
Historical comparison from 2026 Week 3 — one of these players isn’t on the current board.
Start Purdy — the projection and availability edges are too wide to ignore.
Brock Purdy projects 20.8 to Mayfield's 15.6 and is the healthier side of this call (Mayfield carries a Q tag). Mayfield's edge is snap share, 100% to 93%. The gap is wide.
Baker Mayfield
15.615.615.6 Projected Points
Brock Purdy
20.820.820.8 Projected Points
Why Baker Mayfield
Toss-Up· lowStarting QB and offensive engine. Gunslinger mentality with off-script mobility and improvisational playmaking.
QB20 at 15.6 projected vs a neutral MIN matchup (18 of 32) — fringe QB1 range; start only if your alternative projects lower.
- MIN ranks 18 of 32 against QBs (a middle-of-the-road matchup, 2-game sample).
- Vegas implies 23.0 team points as 1.5-point favorites.
- Listed QB on the latest depth chart with a 100% snap share.
The call
- Consensus has Mayfield at QB20 with 15.6 projected PPR points, which sits right at the edge of starter territory in a 12-team league where one QB starts.
- Matchup offers no edge: MIN grades 18 of 32 vs QBs, but it's a 2-game sample with 0.00 confidence, so treat it as neutral.
- Game script is modestly supportive — a 23.0 implied team total and a -1.5 spread point to a competitive game where Tampa Bay should keep throwing.
- Sourced notes (15 intermediate attempts through two games, a nine-yard scramble) show a normal role but no breakout signal. The tiebreaker is whether you have a streamer with a softer matchup or a higher implied total.
Latest on Mayfield
Mayfield is expected to miss at least three weeks with his thumb injury.
Baker Mayfield Expected to Miss a Minimum of Three Weeks with Thumb Injurybuccaneers.com · Sep 28, 2026Baker Mayfield has been replaced as the Buccaneers' starting quarterback while injured.
Buccaneers' Mayfield (thumb) out at least three weeks, Bowles saysESPN · Sep 28, 2026Baker Mayfield is expected to miss at least three weeks with a dislocated thumb on his throwing hand.
Buccaneers' Mayfield (thumb) out at least three weeks, Bowles saysESPN · Sep 28, 2026Jenna Laine reports on the injuries the Tampa Bay Buccaneers sustained during their 23-16 loss to the Minnesota Vikings.
Jenna Laine reports on the injuries the Tampa Bay Buccaneers sustained during their 23-16 loss to the Minnesota Vikings.
Buccaneers quarterback Baker Mayfield suffered a dislocated right thumb in the fourth quarter of Sunday's 23-16 loss to the Vikings, coach Todd Bowles said.
Reported by the sources listed — not independently verified.
Why Brock Purdy
Start· mediumStarting QB and offensive engine. Quick-processing rhythm passer with mobility, thrives in Shanahan play-action scheme.
QB12 with a 29.0 implied team total and added rushing upside; the 49ers are 11.5-point favorites vs ARI, so he's a solid QB1 start.
- ARI ranks 13 of 32 against QBs (a middle-of-the-road matchup, 2-game sample).
- Vegas implies 29.0 team points as 11.5-point favorites.
- Listed QB on the latest depth chart with a 93% snap share.
The call
- Vegas loves this spot: San Francisco's 29.0 implied total is a strong scoring environment, and a 20.8-point projection at QB12 sits right on the QB1 line in 12-team leagues.
- Rushing adds a floor. ESPN noted Purdy scored a rushing touchdown and ran for 30 yards last Sunday, which cushions any passing dip.
- The matchup reads neutral: ARI ranks 13 of 32 in DvP, but that's a 2-game sample with 0.00 confidence, so it shouldn't move the call either way.
- Main risk is the -11.5 spread. A blowout could shift volume to the run game late, which caps his ceiling more than his floor. No injury designation.
Latest on Purdy
Purdy continued to use his legs, scoring a rushing touchdown and gaining 30 rushing yards on Sunday.
Why 49ers' Brock Purdy looks poised for his best season yetESPN · Sep 23, 2026Catch up on the latest San Francisco 49ers headlines, powered by Cisco.
Catch up on the latest San Francisco 49ers headlines, powered by Cisco.
San Francisco 49ers quarterback Brock Purdy was named NFC Offensive Player of the Week after the team's Week 2 win over the Miami Dolphins.
Reported by the sources listed — not independently verified.
Head-to-head stats
| Metric | Baker Mayfield | Brock Purdy |
|---|---|---|
| Projected points | 15.615.615.6 | 20.820.820.8 |
| Consensus rank | QB20 | QB12 |
| Opponent vs position | MIN · 18 of 322-game sample | ARI · 13 of 322-game sample |
| Passing Yards | 29 of 32 | 17 of 32 |
| Passing TDs | 6 of 32 | 21 of 32 |
| Passing Completions | 19 of 32 | 8 of 32 |
| Passing Attempts | 29 of 32 | 4 of 32 |
| Interceptions | 5 of 32 | 15 of 32 |
| Implied total · spread | 23.0-1.5 | 29.0-11.5 |
| Depth chart | QB1 | QB1 |
| Snap share | 100% | 93% |
| Injury designation | Q | — |
| Start/Sit record | 0–0+3 toss-ups | 1–0+1 toss-up |
Recent form
Baker Mayfield — last 2 weeks
| Week 2 | vs CLE | 12.212.212.2 |
| Week 1 | vs CIN | 11.611.611.6 |
Brock Purdy — last 2 weeks
| Week 2 | vs MIA | 28.528.528.5 |
| Week 1 | vs LAR | 21.121.121.1 |
Signal breakdown
- 15.6 vs 20.8 projected PPR pointsBrock Purdy +
- Rank 20 vs 12Brock Purdy +
- Opponent DvP rank 18 vs 13 (32 = softest)even
- Implied 23.0 vs 29.0 team pointsBrock Purdy +
- Q vs no designationBrock Purdy +
- 100% vs 93% snap shareBaker Mayfield +
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