QB · New York Giants
The current Sleeper roster snapshot does not include an injury or practice designation for J.J. McCarthy. nflverse lists the player at depth rank 1 for Quarterback.
J.J. McCarthy is a 23-year-old quarterback in FairPlay's depth tier at rank #245, with a value of 1,368. For the Giants against Philadelphia, Week 9 19 attempts fell from the prior usable row. The decision is whether that workload supports the current dynasty value. Week 6: 21 attempts, 243 passing yards, 2 carries, 40% snaps, and 11.6 yards per attempt. Week 7: 28 attempts, 252 passing yards, 1 carry, 92% snaps, and 9.0 yards per attempt. Week 9: 19 attempts, 127 passing yards, 4 carries, 76% snaps, and 6.7 yards per attempt. The roster snapshot lists Active, which is an administrative status and not a promise of future volume.
Generated from FairPlay and nflverse data · Reviewed November 6, 2026 · Editorial policyFairPlay's elite market proxy (91) is above its mixed production input (66). This is a FairPlay input comparison, not a verified external ADP or market price. roster status is near the model ceiling; draft capital is the next strongest input. efficiency is very low, which keeps the recommendation conditional.
The next usable row for the Giants against Philadelphia needs to show whether week 9 19 attempts was a one-week result or part of a stable role. Watch attempts and passing efficiency.
The same player can require a different decision depending on your competitive window and the liquidity of the return.
A contender should keep or acquire J.J. McCarthy only when the recent workload helps a real starting decision and the roster still retains enough playable Superflex access. Do not pay the market-proxy premium without accepting the production gap.
A rebuilder can retain J.J. McCarthy's younger quarterback window, but should sell if an offer prices more certainty than 3-week observed sample supports. The market-over-production gap is the cleanest point to test a liquidity gain.
FairPlay values J.J. McCarthy at 1,368. FairPlay's market proxy sits ahead of its production input by 25 points. Treat that as a model comparison, not a verified ADP or trade price.
Week 6: 21 attempts, 243 passing yards, 2 carries, 40% snaps, and 11.6 yards per attempt. Week 7: 28 attempts, 252 passing yards, 1 carry, 92% snaps, and 9.0 yards per attempt. Week 9: 19 attempts, 127 passing yards, 4 carries, 76% snaps, and 6.7 yards per attempt. This is observed box-score usage and offensive-snap context only.
FairPlay's elite market proxy (91) is above its mixed production input (66). This is a FairPlay input comparison, not a verified external ADP or market price.
FairPlay value 1,368 · Overall rank #245 · Market proxy 91 · Historical production input 66These are negotiation scenarios calibrated to the current FairPlay tier, not promises that every league will price the assets identically.
J.J. McCarthy ↔ Mac Jones (calculator comparison, not a quote)
Mac Jones has an Active roster status and a usable local usage row. Compare each player's FairPlay value and current workload in the calculator. This page does not claim that the swap is even in an outside market.
J.J. McCarthy ↔ Dylan Sampson (calculator comparison, not a quote)
Dylan Sampson is an Active running back with a usable local usage row. Compare the two values in the calculator, then decide whether the positional change helps this roster. No outside-market adjustment is asserted.
For the Giants against Philadelphia, Week 9 19 attempts fell from the prior usable row. The decision is whether that workload supports the current dynasty value. FairPlay's strongest scored input is roster status (100), while efficiency is the main limitation. The usage record can test that read but cannot verify an external price or future outcome.
A second verified row that materially changes attempt volume and passing efficiency from Week 9 would test whether J.J. McCarthy's latest role is repeatable. Separately, a material efficiency change or a different market-proxy/production-model gap would require a new FairPlay read.
J.J. McCarthy is age 23, with a career-window input score of 90/100 for QBs.
The search-rank proxy is 91/100 and the historical NFL production input is 66/100. These are separate model inputs, not verified trade prices or current-season performance.
Historical production, opportunity and efficiency are normalized within the QB statistical group. The market proxy uses the full player pool; career-window and draft-capital inputs use their own scales.
Normalized model input scores, not probabilities. The production model uses completed 2020–2025 NFL seasons. The current-season usage file is a separate evidence layer. The career-window and draft-capital scales are not empirical percentiles.
Draft-capital input is the strongest part of J.J. McCarthy’s current profile at 91/100. Historical NFL efficiency input is the clearest source of downside at 32/100. For trade decisions, compare that strength-and-risk mix with your roster timeline rather than relying on the overall value alone.
Comparable values to guide your offers.
Start with J.J. McCarthy in the dedicated Superflex calculator, then add the other side of the offer.