James MadisonOLRostered

Zach Greenberg

Position coach (James Madison, 2026): Rob Sale

Livingston, NJGraduate6'4"300 lb#60

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Estimated NIL value

$470K

Model estimate. This is not a reported contract.

Transfer Vulnerability Score

38 / 100

95th

High risk. Percentile vs all active college players we track.

Class

Graduate

Seasons left (incl. 2026)

1-3 seasonsUnconfirmed: check the school bio

Zach Greenberg is a 6'4", 300-lb Graduate OL at James Madison from Livingston, NJ. TransferPortl estimates Zach Greenberg's NIL market value at $470K, a model estimate rather than a reported contract. Zach Greenberg has a TransferPortl Transfer Vulnerability Score of 38 out of 100, a relative risk score for entering the transfer portal.

Updated Nov 9, 2026

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TVS History

Current TVS

Highest TVS

Nov 9, 2026

Each step is a saved weekly score; dots mark where the score changed. Hover to read any saved score. Model signals include recruiting profile, production and usage, team transfer rate, coaching changes, position, and prior transfer history. TVS is a relative risk score. It is not a literal probability.

Before past portal windows

Window	Team	TVS	Outcome
2026	James Madison	44 High	Did not enter
2025	North Carolina	20 Moderate	Entered portal

Each score comes from a model trained only on seasons before that roster year, so it shows what TVS would have said at the time.

Market Value History

Current market value

$470,062

Highest market value

$487,997

Nov 1, 2026

Each step is a saved TransferPortl estimate; dots mark where the estimate changed. Hover to read any saved estimate. Team logos mark recorded team changes. Historical points use point-in-time cumulative statistics and do not use later-season production.

2026 James Madison OL Room