Texas Southern is a scary No. 15 seed , having already knocked off Michigan State and the Kansas State Wildcats .
Madarious Gibbs is the Texas Southern Tigers ' iron man , averaging 38.5 minutes a game and 14.1 points per game .
Texas Southern Tigers   is a scary No. 15 seed , having already knocked off Michigan State and the Kansas State Wildcats .
Madarious Gibbs is the Texas Southern Tigers ' iron man , averaging 38.5 minutes a game and 14.1 points per game .