Dak Prescott and Justin Herbert have been on opposite sides of 62 real dynasty trades.
Not simulations and not a calculator lining up two numbers. Every one of them is a completed trade from a public Sleeper league, graded at the player values that were current on the day it happened.
None of them were a straight one-for-one. Every time these two crossed, something else was attached to close it.
This is the part a calculator cannot tell you. In 11 of these deals exactly one side had to attach something extra, and 10 of those 11 times it was the Dak Prescott side (1 the other way). The side that keeps having to add is the side holding the lesser asset, so the market has been treating Justin Herbert as the more valuable of the two.
Everything above is priced on the day each deal happened, which is the only honest way to grade a completed trade. It is not what they cost now. Today Dak Prescott prices at 1,462 and Justin Herbert at 3,160, so the market currently rates Justin Herbert about 2.2x the other. A pair can lean one way across its history and price the opposite way now; that gap is the whole reason to check the deal in front of you rather than the deal someone made in 2023.
Values as of 2026-07-24.
| Date | Margin | Went with Dak Prescott | Went with Justin Herbert |
|---|---|---|---|
| 2026-03-10 | +5% | Jaylen Waddle | — |
| 2024-11-16 | -31% | 2 2nds | — |
| 2024-11-13 | +33% | Rashee Rice | Jerry Jeudy |
| 2024-11-07 | +81% | Cooper Rush, 1 1st | Tyler Goodson, 1 2nd |
| 2024-07-10 | -0% | Diontae Johnson, Rhamondre Stevenson, 1 2nd, 1 later pick | Jalen McMillan, Cole Kmet, 1 3rd |
| 2024-03-21 | -3% | 1 1st, 1 2nd | Dallas Goedert, Rashod Bateman, Tank Bigsby, 1 3rd |
| 2023-12-14 | -42% | Robert Spillane | Blake Cashman, Derrick Barnes, 1 2nd |
| 2023-12-12 | -36% | Chig Okonkwo, 1 later pick | — |
| 2023-12-12 | -10% | Alvin Kamara | — |
| 2023-11-16 | -29% | 1 1st | — |
Read each row as: Dak Prescott, plus anything in the third column, was traded for Justin Herbert plus anything in the fourth. An em dash means that side sent nobody else. Margin is the value gap at that day’s prices from the side that received Dak Prescott; positive means that side came out ahead.
Across all 62, the whole-deal value gap runs +0.6% from the side that received Dak Prescott - close to even. Read that as a measure of the entire trade, every piece included, not of these two players against each other.
A calculator answers “is Dak Prescott for Justin Herbert fair” by subtracting one number from another, and it gives every manager in your league the same answer. That tells you nothing about whether the trade closes. What closes it is whether one side has to attach a piece, and which side that usually is. The 62 deals above are the record of what leagues actually agreed to when these two were on the table together.
How trade fairness actually works →
Every Dak Prescott trade · Every Justin Herbert trade
All players with real trade data →