CaliforniaWRRostered

Mark Hamper

Position coaches (California, 2026): Geoff McArthur, Ike Hilliard

West Linn, ORRedshirt Junior6'2"205 lb#15

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Estimated NIL value

$54K

Model estimate. This is not a reported contract.

Transfer Vulnerability Score

26 / 100

85th

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

Class

Redshirt Junior

Seasons left (incl. 2026)

2 seasons

Mark Hamper is a 6'2", 205-lb Redshirt Junior WR at California from West Linn, OR. TransferPortl estimates Mark Hamper's NIL market value at $54K, a model estimate rather than a reported contract. Mark Hamper has a TransferPortl Transfer Vulnerability Score of 26 out of 100, a relative risk score for entering the transfer portal.

Updated Nov 9, 2026

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Advanced Statistics

2025 · 17 rec

EPA / Pass Play

0.32

25th

Yards / Reception

11.9 yds

38th

Yards / Touch

11.9 yds

41st

Scrimmage Yards

202

9th

Pass Usage

7.7%

5th

Overall Usage

4.7%

13th

Percentiles rank this season against every 2025 FBS and FCS WRs with the same minimum sample. Higher is better.

TVS History

Current TVS

Highest TVS

Oct 27, 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	California	42 High	Did not enter
2025	Idaho	12 Low	Did not enter
2024	Idaho	1 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

$54,367

Highest market value

$249,691

Sep 20, 2025

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.

Season Statistics