The Sideline NIL ReportSouthern Illinois Men's Basketball
Southern Illinois sideline stock
Damien Mayo Jr.
G · Senior · #10 · 6' 3" · 205 lbs
From St. Louis, MO
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Sideline market estimate
$252K
Southern Illinois sideline stock
Damien Mayo Jr.
G · Senior · #10 · 6' 3" · 205 lbs
From St. Louis, MO
Loading live player file…
Sideline market estimate
$252K
Southern Illinois sideline stock
G · Senior · #10 · 6' 3" · 205 lbs
From St. Louis, MO
Live player file
Latest source check Aug 15, 2026
Position
Guard
Class
Senior
Jersey
#10
Height
6' 3"
Weight
205 lbs
Hometown
Sideline market estimate
$252K
Best current Sideline estimate based on role, roster, recruiting, current market evidence, and school-pool reconciliation.
Confidence meter
Watchlist confidenceWe have enough context to frame the range, but not enough sourced detail to call it tight.
Damien Mayo Jr. is a 6' 3" 205 lbs Senior Guard for Southern Illinois and is listed by ESPN from St. Louis, MO. The Sideline places the player 4th within the current Southern Illinois men's basketball roster. The $252K headline is The Sideline's best current estimate and $252K is the allocation used to reconcile the sport pool.
Pool share by sport
10.1%
Men's Basketball pool: $2.5M
Pool share of school
3.6%
Southern Illinois roster market: $6.95M
Roster dollars tracked
$2.5M
Southern Illinois Men's Basketball pool-accounting sum
Coverage hits
0
No fresh NIL chatter found
St. Louis, MO
Roster status
Active
Current listing
Southern Illinois Salukis
Sideline Data Desk
Lead guards receive a premium for possession control, scoring creation, and year-round visibility in the transfer and commercial markets. For Damien Mayo Jr., the current roster role, class, recruiting signal, program market, and available market evidence produce a $252K headline case.
The visible base estimate is $252K. The pool-accounting allocation is $252K, equal to about 10.1% of the Southern Illinois men's basketball market. The player ranks 4th on that roster.
School NIL Page
Southern Illinois NIL
Full school breakdown, roster search, market tiers, and position-by-position comps.
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Other Southern Illinois G estimates.
