Brock Purdy vs Matthew Stafford
Brock Purdy holds a 42.9% edge in Superflex dynasty value.Updated 9/19/2026
THE CASE FOR PURDY
Purdy is 12 years younger and already a high-end fantasy producer in an elite 49ers ecosystem, giving him both a higher floor and a longer runway of startable seasons. In superflex, that longevity plus weekly efficiency makes him a cornerstone QB2 with QB1 spike weeks rather than a short-term patch. His current market gap (4,550 vs 2,615; +42.5%) is justified because you’re paying for multi-year insulation, not just 2026 points.
THE CASE FOR STAFFORD
Stafford is the better pure win-now bet over the next 1–2 seasons if you’re chasing ceiling weeks, especially when the Rams’ passing volume funnels through him. He’s cheaper enough that the opportunity cost is lower, letting contenders allocate assets to RB/WR while still getting strong weekly QB output. If you think Purdy’s environment could change (weapons/OC) or you prefer short-term certainty, Stafford is the classic discount veteran to buy.
VERDICT BY TEAM SITUATION
Stafford if you need to squeeze value and add another starter; Purdy if you’re already loaded and just want the safest multi-year QB slot.
Purdy—Stafford’s window is too short to justify tying up QB value on a rebuild timeline.
If the rest of your roster is within a year of competing, lean Purdy; if you’re truly all-in this season and need liquidity elsewhere, lean Stafford.
15.7% of champions
Brock Purdy was on 1,095 championship rosters
17% of champions
Matthew Stafford was on 1,185 championship rosters
FREQUENTLY ASKED
Worth more?
Purdy is worth more in dynasty (especially superflex) because age/contract runway and multi-year starting security dominate Stafford’s short window.
Trade?
If selling Purdy, ask for Stafford plus a 1st (or strong 1st-equivalent piece); if buying Stafford, try to pay a 2nd-plus type package depending on your league’s QB pricing.
Superflex?
In superflex, prioritize Purdy unless Stafford is the difference between starting a non-QB and a real QB in your second spot this year.
RUN THIS TRADE YOURSELF
See exactly what Brock Purdy and Matthew Stafford are worth side-by-side in our Trade Calculator.
OPEN TRADE CALCULATORRELATED COMPARISONS
RESEARCH & TOOLS
What Championship Rosters Have in Common
78.4% had a top-10 RB. The real champion profile from 9,983 rosters.
Stars vs Depth
Champions held 38.3% of value in 3 players. Concentrate, don't spread.
Who Wins Lopsided Trades?
The value "loser" wins titles more often. Don't fear the overpay.
Championship DNA Players
Bijan 23%, Puka 19.3%. The players who keep showing up on title teams.