The Sideline NIL ReportWashington State Football
Washington State sideline stock
Kai Rapolla
CB · Senior · #4 · 6' 0" · 185 lbs
From Winchester, CA
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Sideline market estimate
$54.5K
Washington State sideline stock
Kai Rapolla
CB · Senior · #4 · 6' 0" · 185 lbs
From Winchester, CA
Loading live player file…
Sideline market estimate
$54.5K
Washington State sideline stock
CB · Senior · #4 · 6' 0" · 185 lbs
From Winchester, CA
Live player file
Latest source check Aug 21, 2026
Position
Cornerback
Class
Senior
Jersey
#4
Height
6' 0"
Weight
185 lbs
Hometown
Sideline market estimate
$54.5K
Best current Sideline estimate based on role, roster, recruiting, current market evidence, and school-pool reconciliation.
Pool-accounting allocation: $46.3K
Confidence meter
Watchlist confidenceWe have enough context to frame the range, but not enough sourced detail to call it tight.
Kai Rapolla is a 6' 0" 185 lbs Senior Cornerback for Washington State and is listed by ESPN from Winchester, CA. The Sideline places the player 34th within the current Washington State football roster. The $54.5K headline is The Sideline's best current estimate and $46.3K is the allocation used to reconcile the sport pool.
Pool share by sport
0.5%
Football pool: $8.8M
Pool share of school
0.3%
Washington State roster market: $13.7M
Roster dollars tracked
$8.8M
Washington State Football pool-accounting sum
Coverage hits
0
No fresh NIL chatter found
Winchester, CA
Roster status
Active
Current listing
Washington State Cougars
Transfer history
Cal Poly to Washington State
2025 portal cycle / Jan 10, 2025 / Immediate
Sideline Data Desk
Defensive-back value reflects coverage scarcity, starting role, recruiting demand, and exposure in high-leverage matchups. For Kai Rapolla, the current roster role, class, recruiting signal, program market, and available market evidence produce a $54.5K headline case.
The visible base estimate is $54.5K. The pool-accounting allocation is $46.3K, equal to about 0.5% of the Washington State football market. The player ranks 34th on that roster.
We search for NIL, deal, endorsement, and collective coverage so actual player articles are more likely to surface here.
Other Washington State CB estimates.
