
Estimated NIL value
$1K
Model estimate. This is not a reported contract.
Transfer Vulnerability Score
22 / 100
79th
Moderate risk. Percentile vs all active college players we track.
Class
Junior
Seasons left (incl. 2026)
3 seasons
Michael Zack is a 6'4", 300-lb Junior OL at Pennsylvania from Minesing, ON. Michael Zack has a TransferPortl Transfer Vulnerability Score of 22 out of 100, a relative risk score for entering the transfer portal.
Updated Nov 9, 2026
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TVS History
Current TVS
22
Highest TVS
22
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 | Pennsylvania | 8 Low | Did not enter |
| 2025 | Pennsylvania | 5 Low | Did not enter |
| 2024 | Pennsylvania | 5 Low | Did not enter |
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
$1,127
Highest market value
$6,654
Sep 26, 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 Pennsylvania OL Room
Jase CatulloOL · $7K
Mike FernicolaOL · $7K
Alex FletcherOL · $7K
Foard PolleyOL · $7K
Aaron KruseOL · $1K
Ryan MitchellOL · $1K
Luke SacchettiOL · $1K
Austin ZimmOL · $1KMost Likely to Leave Pennsylvania
Josh NarcisseDB · Pennsylvania
Zach DarcheLB · Pennsylvania
Cole OlsztynLB · Pennsylvania
Sean Williams Jr.RB · Pennsylvania
Jayden DraytonDB · Pennsylvania
Isaac LeeWR · PennsylvaniaSimilar OL Players






