The Final Five!

Stan has four of the possible scenarios, and Russ KU, Matthew, TDo and T.C. each have one scenario

Here are the scenarios
Stan wins if:
Villanova beats Michigan State
Michigan State wins over North Carolina or Villanova
UConn beats North Carolina

Russ KU wins if:
Villanova beats UConn

T.C. wins if:
UConn beats Villanova

TDo wins if:
North Carolina beats UConn

Matthew wins if:
North Carolina wins over Michigan State