MEN'S BASKETBALL · OH · CLASS OF 2027
Isaiah
Mack-Russell.
MVI+52.0RISK87REGIONOH
PR SCORE70.8/ 100
#130 National
Consensus #152 · SF #34
U
● Committed
UNLV Rebels
since Aug 2026
Composite Score Breakdown53.8/ 100
WSA
Weighted Service Avg
34.8/ 50
MOM
Rank Momentum
10.0/ 25
SCAR
Position Scarcity
6.0/ 15
STAB
Cross-Service Stability
3.0/ 10
ELIT
Elite Recognition
0.0/ 10
The PrepRanks composite weighs four-service ratings, recent rank momentum, position scarcity, cross-service stability, and elite recognition. Service Average accounts for the largest share; momentum and scarcity together capture the directional signal.
Proprietary signals
PrepRanks Intelligence
Market Value Index
52.0/ 100
Recruiting demand from offers, predictions, geographic reach, and program quality.
Commitment Risk
87.0/ 100
Flip likelihood from prediction mismatches, program pressure, and timing.
Height Advantage
38.0/ 100
Height percentile at SF. 6'5" measured against position peers.
NBA Draft Probability
38.0/ 100
Model estimate of NBA draft outcome given PR score, position, and HS-to-pro base rate.
Position Versatility
40.0/ 100
Multi-position flexibility in modern positionless basketball.
Cross-service consensus
How the services see Mack-Russell
Service ratings
ON3
#0
88.00
247
#0
90.00
ESPN
#0
79.00
PR Score history
Recent trajectory.
Open: 62.8Current: 71.0Δ: 8.2
Editorial coverage
Recent articles
No tagged articles yet.
When the PrepRanks editorial team covers Isaiah, the pieces will surface here.