Justin Fields and Mac Jones have been on opposite sides of 23 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.
Most of those were larger deals with other pieces attached. 2 of them were straight up: Justin Fields for Mac Jones, nothing else changing hands.
In 2 of these deals exactly one side had to attach something extra, split 1 to 1 between the Justin Fields side and the Mac Jones side. That is too close, and too small a sample, to call either player the more valuable.
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 Justin Fields prices at 30 and Mac Jones at 60, so the market currently rates Mac Jones about 2.0x 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 Justin Fields | Went with Mac Jones |
|---|---|---|---|
| 2024-09-29 | -25% | — | Xavier Legette, 1 1st |
| 2023-06-20 | +33% | George Pickens, Breece Hall, 1 1st, 1 2nd | Cooper Kupp, Samaje Perine, Mark Andrews, 1 more |
| 2023-05-20 | -11% | 1 2nd | CeeDee Lamb, Bailey Zappe |
| 2023-05-18 | -34% | George Pickens, Jameson Williams, Brian Robinson, 1 more, 1 2nd | CeeDee Lamb, Jonathan Taylor, Zach Wilson, 3 more, 1 3rd |
| 2023-05-17 | -37% | Cam Akers, Dameon Pierce | Robert Tonyan, Drake London, Kenneth Walker, 1 1st |
| 2023-05-04 | +128% | Jack Campbell, Brian Branch, Shaquille Leonard, 6 more | Cameron Latu, Xavier Hutchinson, Rashee Rice, 17 more |
| 2023-04-06 | +92% | Miles Sanders | Bobby Wagner, Arik Armstead, Matthew Stafford, 6 more, 1 3rd, 3 later picks |
| 2023-03-14 | -25% | Darren Waller | DK Metcalf, 1 1st, 1 3rd |
| 2023-02-19 | -23% | Darren Waller | Amon-Ra St. Brown, Trey McBride, 1 3rd |
| 2023-02-18 | +10% | Dalvin Cook, 1 3rd | DJ Moore, Chig Okonkwo, 2 2nds |
Read each row as: Justin Fields, plus anything in the third column, was traded for Mac Jones 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 Justin Fields; positive means that side came out ahead.
Across all 23, the whole-deal value gap runs -10.7% from the side that received Justin Fields, so the side ending up with Mac Jones has generally come out ahead on face value. That measures the entire trade, every piece included, not these two players against each other.
A calculator answers “is Justin Fields for Mac Jones 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 23 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 Justin Fields trade · Every Mac Jones trade
All players with real trade data →