J.J. McCarthy has changed hands in 998 real dynasty trades.
These are completed deals from public Sleeper leagues, not hypotheticals and not calculator output. Each one is graded at the player values that were current on the day it happened, so you can see what he actually costs rather than what a calculator says he should.
Across all 998 of them the value gap runs -12.1%, which is in favour of the side giving him up.
| Date | Margin | Went with J.J. McCarthy | Came back |
|---|---|---|---|
| 2026-06-20 | -34% | Malik Willis, 2 1sts | Lamar Jackson, Josh Jacobs, David Montgomery |
| 2026-04-03 | -33% | Kyler Murray | 1 1st, 1 3rd |
| 2025-12-08 | +102% | Dalton Kincaid | David Njoku, Mac Jones, 1 2nd |
| 2025-12-04 | +62% | Pat Bryant, Carson Wentz, 1 1st | Jalen Milroe, Sam Darnold, Alec Pierce |
| 2025-11-30 | +45% | 1 2nd | Tua Tagovailoa, 1 3rd |
| 2025-11-12 | -33% | T.J. Hockenson | Jaxson Dart |
| 2025-11-01 | -24% | Max Brosmer, 2 1sts | Jaxson Dart, Jonathan Taylor |
| 2025-10-29 | +12% | — | Michael Penix, Brashard Smith |
| 2025-10-26 | +3% | Trey Benson, Jake Ferguson | Colston Loveland, 1 1st, 1 2nd |
| 2025-10-09 | +3% | Travis Hunter | Drake Maye |
| 2025-10-08 | +5% | Drake Maye, George Kittle | Trevor Lawrence, 2 1sts, 3 2nds |
| 2025-09-27 | -8% | Luther Burden, 2 1sts | Josh Allen |
Read each row as: J.J. McCarthy, plus anything in “went with”, was traded for what is in “came back”. Margin is the value gap at that day's prices from the side that received J.J. McCarthy; positive means that side came out ahead.
Players J.J. McCarthy has most often been on the opposite side of a deal from. Each page holds those deals: how many were straight one-for-ones, and which side kept having to attach something to close it.
A calculator gives everyone in your league the same number for J.J. McCarthy. Real trades tell you something different: the price people actually agree to, which package shapes get accepted, and how often the side holding him comes out ahead. That gap is the whole point.
How trade fairness actually works →
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